[Sanitizers][Darwin] Add READ/WRITE detection on arm64 for darwin.

	On arm64 the read/write flag is set on the esr register.
	Adding this flag check for arm64 enables a more accurate
	print out for sanitizer signal reports and matches the
	behavior on x86.

	Fixes bug: https://bugs.llvm.org/show_bug.cgi?id=27543 https://github.com/google/sanitizers/issues/653

	These tests are now passing:
		SanitizerCommon-asan-arm64-Darwin :: Posix/illegal_read_test.cpp
		SanitizerCommon-asan-arm64-Darwin :: Posix/illegal_write_test.cpp
		SanitizerCommon-asan-arm64e-Darwin :: Posix/illegal_read_test.cpp
  		SanitizerCommon-asan-arm64e-Darwin :: Posix/illegal_write_test.cpp
  		SanitizerCommon-tsan-arm64-Darwin :: Posix/illegal_read_test.cpp
  		SanitizerCommon-tsan-arm64-Darwin :: Posix/illegal_write_test.cpp
  		SanitizerCommon-tsan-arm64e-Darwin :: Posix/illegal_read_test.cpp
  		SanitizerCommon-tsan-arm64e-Darwin :: Posix/illegal_write_test.cpp
  		SanitizerCommon-ubsan-arm64-Darwin :: Posix/illegal_read_test.cpp
  		SanitizerCommon-ubsan-arm64-Darwin :: Posix/illegal_write_test.cpp
  		SanitizerCommon-ubsan-arm64e-Darwin :: Posix/illegal_read_test.cpp
  		SanitizerCommon-ubsan-arm64e-Darwin :: Posix/illegal_write_test.cpp

rdar://92104440

Differential Revision: https://reviews.llvm.org/D125416