Merge "Pass -fsanitize-hwaddress-abi=platform when building with hwasan."

	// the default.

	hwasanCflags = []string{"-fno-omit-frame-pointer", "-Wno-frame-larger-than=",

		"-mllvm", "-hwasan-create-frame-descriptions=0",

		"-mllvm", "-hwasan-allow-ifunc"}

		"-mllvm", "-hwasan-allow-ifunc",

		"-fsanitize-hwaddress-abi=platform"}

	cfiCflags = []string{"-flto", "-fsanitize-cfi-cross-dso",

		"-fsanitize-blacklist=external/compiler-rt/lib/cfi/cfi_blacklist.txt"}