Merge "Do not chmod the symlink target when a prebuilt binary is symlinked."...

Merge "Do not chmod the symlink target when a prebuilt binary is symlinked." am: 0de50208 am: c14071eb am: 66990f95 am: 92378961

Original change: https://android-review.googlesource.com/c/platform/build/+/1439191

Change-Id: I92a2e5502f6eb15c60329ac008a7da7bc37577c4