Merge "printflags: introduce device tool to print feature flags" into main am:...

Merge "printflags: introduce device tool to print feature flags" into main am: 28a79fe3 am: 7b6140d9

Original change: https://android-review.googlesource.com/c/platform/build/+/2759750



Change-Id: I98501bbf675a35681797e2ef061fe3059d057136
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>