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 am: c24d133c

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



Change-Id: Icb816b1e5f2442bb366e179fc798f1f79d66e7ef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>