Merge "Exclude BUILD files from musl sysroot globs" am: d3c7700aa0

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2184577

Change-Id: Ia7753a900f0477a8a306af3b069d4176caaa78f6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>