Merge "Add blob cache related tracepoints" into udc-dev am: 16f61146 am: 80bb88e5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/22800233



Change-Id: Ibe39355030f5a8cb30e83cd13e5af7853f83bb3f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>