Merge "Force HALs to explicitly enable legacy method for clearing buffer...

Merge "Force HALs to explicitly enable legacy method for clearing buffer caches" into udc-dev am: def2c211 am: 900a24cb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23715006



Change-Id: I3a1422bdbd090b0a3803bcc4cf2b1779d934bc72
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>