Add ASAN and UBSAN stages to CI, fix various errors [AP-1386] #1457

Job	Run time
Bazel	8m 12s
Ubuntu 18.04 (Build: Debug, Compilers: gcc-6/g++-6, Shared Library: true)	16m 0s
macOS	37m 47s
Ubuntu 18.04 (Build: Debug, Compilers: clang-6.0/clang++-6.0, Shared Library: true)	14m 4s
Test Big Endian	9m 5s
Ubuntu 18.04 (Build: Debug, Compilers: clang-6.0/clang++-6.0, Shared Library: false)	14m 16s
ASAN	9m 42s
Ubuntu 18.04 (Build: Release, Compilers: gcc-6/g++-6, Shared Library: true)	22m 42s
Ubuntu 18.04 (Build: Release, Compilers: gcc-6/g++-6, Shared Library: false)	22m 48s
UBSAN	9m 52s
Windows 2019 (Generator: MinGW Makefiles, Shared Library: true)	27m 18s
Ubuntu 18.04 (Build: Release, Compilers: clang-6.0/clang++-6.0, Shared Library: true)	19m 56s
Windows 2019 (Generator: MinGW Makefiles, Shared Library: false)	27m 28s
Ubuntu 18.04 (Build: Release, Compilers: clang-6.0/clang++-6.0, Shared Library: false)	19m 48s
Windows 2019 (Generator: Visual Studio 16 2019, Shared Library: true)	8m 57s
Windows 2019 (Generator: Visual Studio 16 2019, Shared Library: false)	8m 49s
	4h 36m 44s

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