Merge "Add blob cache related tracepoints" into udc-dev am: 16f61146 am: afa7abad

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



Change-Id: I1d7e1d18df59ce93a5fc84ea95af7c8202828353
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>