Merge "Set optimize_for_size property for libLLVM_android" into main am: fd4a0f41f0 am: 5fd3aa567f

Original change: https://android-review.googlesource.com/c/platform/external/llvm/+/3104797

Change-Id: I7b45e4d65bfe5ab830d28e685fdeafaccbf5144c
Signed-off-by: Automerger Merge Worker <[email protected]>