Merge "Revert "Register Dumpables for Region Sampler"" into tm-qpr-dev am: 292dc38434

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21119599

Change-Id: Ica89639c862e58cdeda1482413e699a1e974ee3c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>