Merge "Add blob cache related tracepoints" into udc-dev am: 16f61146 am: 243b3fe7

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



Change-Id: Ic4b01fb8a1bf8688708b95251c8c2ae6130c7487
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>