Merge "[layertracegenerator] avoid allocating unnecessary buffers" into udc-dev am: fa823a93

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/22118579



Change-Id: Id55babd2a340624c64ec9f40604cc29755dd0961
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>