workspace: define bzl_library. am: ddd2d82d10

Original change: https://android-review.googlesource.com/c/platform/build/bazel_common_rules/+/2168420

Change-Id: I5342fb2b765232bdf8b516dcdd6fc2a429652012
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>