Merge "Add atom for general external storage access stats" into rvc-dev am:...

Merge "Add atom for general external storage access stats" into rvc-dev am: b1951ee2 am: f62d71d5 am: c6fe33fa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11894164

Change-Id: I8b5110970b5da107ff51a7d67b91f0ac536a3489