aml_tz4_332714070 (11568890,com.google.android.go.tzdata4,com.google.android.tzdata4)
Merge "Build darwin_arm64 from source" am: 21204cd2c8 am: 7d0af1d166 am: 20e31dab32 am: 066d58e41c

Original change: https://android-review.googlesource.com/c/platform/external/llvm/+/1885368

Change-Id: I882820ef6d4a088a81aa2446a7a8d22f8ac21f08