[msbuild] Demote W7091 to a message instead of warning.

[rolfbjarne]

This warning seems to confuse people more than help them, so stop emitting it
as a warning. Keep it as a message though, so it shows up in binlogs:

path/to/myframework.framework is a framework of static libraries, and will not be copied to the app.

[vs-mobiletools-engineering-service2]

✅ [PR Build] Build passed (Detect API changes) ✅

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Hash: ad5fbedd296850ba2b1fb54d35876485ace31f14 [PR build]

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✅ [PR Build] Build passed (Build packages) ✅

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Hash: ad5fbedd296850ba2b1fb54d35876485ace31f14 [PR build]

[vs-mobiletools-engineering-service2]

✅ API diff for current PR / commit

.NET ( No breaking changes )

• iOS: vsdrops gist ( No breaking changes )
• tvOS: vsdrops gist ( No breaking changes )
• MacCatalyst: vsdrops gist ( No breaking changes )
• macOS: vsdrops gist ( No breaking changes )

❗ API diff vs stable (Breaking changes)

.NET ( ❗ Breaking changes ❗ )

• iOS: vsdrops gist ( ❗ Breaking changes ❗ )
• tvOS: vsdrops gist ( ❗ Breaking changes ❗ )
• MacCatalyst: vsdrops gist ( ❗ Breaking changes ❗ )
• macOS: vsdrops gist ( ❗ Breaking changes ❗ )

ℹ️ Generator diff

Generator Diff: vsdrops (html) vsdrops (raw diff) gist (raw diff) - Please review changes)

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Hash: ad5fbedd296850ba2b1fb54d35876485ace31f14 [PR build]

[vs-mobiletools-engineering-service2]

✅ [PR Build] Build passed (Build macOS tests) ✅

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Hash: ad5fbedd296850ba2b1fb54d35876485ace31f14 [PR build]

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❌ [CI Build] Windows Integration Tests failed ❌

❌ Failed ❌

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Hash: ad5fbedd296850ba2b1fb54d35876485ace31f14 [PR build]

[vs-mobiletools-engineering-service2]

💻 [PR Build] Tests on macOS M1 - Mac Monterey (12) passed 💻

✅ All tests on macOS M1 - Mac Monterey (12) passed.

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Hash: ad5fbedd296850ba2b1fb54d35876485ace31f14 [PR build]

[vs-mobiletools-engineering-service2]

💻 [PR Build] Tests on macOS arm64 - Mac Sequoia (15) passed 💻

✅ All tests on macOS arm64 - Mac Sequoia (15) passed.

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Hash: ad5fbedd296850ba2b1fb54d35876485ace31f14 [PR build]

[vs-mobiletools-engineering-service2]

💻 [PR Build] Tests on macOS X64 - Mac Sonoma (14) passed 💻

✅ All tests on macOS X64 - Mac Sonoma (14) passed.

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Hash: ad5fbedd296850ba2b1fb54d35876485ace31f14 [PR build]

[vs-mobiletools-engineering-service2]

💻 [PR Build] Tests on macOS M1 - Mac Ventura (13) passed 💻

✅ All tests on macOS M1 - Mac Ventura (13) passed.

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Hash: ad5fbedd296850ba2b1fb54d35876485ace31f14 [PR build]

[vs-mobiletools-engineering-service2]

🔥 [CI Build] Test results 🔥

Test results

❌ Tests failed on VSTS: test results

0 tests crashed, 5 tests failed, 107 tests passed.

Failures

❌ dotnettests tests (iOS)

1 tests failed, 0 tests passed.

• DotNet tests: Failed (Execution failed with exit code 1)

Html Report (VSDrops) Download

❌ dotnettests tests (MacCatalyst)

1 tests failed, 0 tests passed.

• DotNet tests: Failed (Execution failed with exit code 1)

Html Report (VSDrops) Download

❌ dotnettests tests (macOS)

1 tests failed, 0 tests passed.

• DotNet tests: Failed (Execution failed with exit code 1)

Html Report (VSDrops) Download

❌ dotnettests tests (tvOS)

1 tests failed, 0 tests passed.

• DotNet tests: Failed (Execution failed with exit code 1)

Html Report (VSDrops) Download

❌ monotouch tests (macOS)

1 tests failed, 8 tests passed.

• monotouch-test/macOS/Debug: TimedOut (Execution timed out after 1200 seconds.
  Test run crashed)

Html Report (VSDrops) Download

Successes

✅ cecil: All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (Multiple platforms): All 1 tests passed. Html Report (VSDrops) Download
✅ framework: All 2 tests passed. Html Report (VSDrops) Download
✅ fsharp: All 4 tests passed. Html Report (VSDrops) Download
✅ generator: All 5 tests passed. Html Report (VSDrops) Download
✅ interdependent-binding-projects: All 4 tests passed. Html Report (VSDrops) Download
✅ introspection: All 4 tests passed. Html Report (VSDrops) Download
✅ linker: All 44 tests passed. Html Report (VSDrops) Download
✅ monotouch (iOS): All 8 tests passed. Html Report (VSDrops) Download
✅ monotouch (MacCatalyst): All 11 tests passed. Html Report (VSDrops) Download
✅ monotouch (tvOS): All 8 tests passed. Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. Html Report (VSDrops) Download
✅ xcframework: All 4 tests passed. Html Report (VSDrops) Download
✅ xtro: All 1 tests passed. Html Report (VSDrops) Download

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Hash: ad5fbedd296850ba2b1fb54d35876485ace31f14 [PR build]