Merge "Load a list of plugins from vendor/google_clockwork" into main am: c9ef6f71 am: 3c5a1e9b

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2798384



Change-Id: Ia2ab264052af500a5c8c2ab9d24b9222daf829d9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>