Merge "Include blob sizes in blob_store service dump." into rvc-dev am:...

Merge "Include blob sizes in blob_store service dump." into rvc-dev am: c7127869 am: 0c7fa9f6 am: a18985bb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11826292

Change-Id: I2057e6a2b0eeb8c78dd0d3948e8741a8aa7c8c6b