Merge "Adds a new build task to run host_init_verifier on partition dirs." am:...

Merge "Adds a new build task to run host_init_verifier on partition dirs." am: 97332c96 am: 36a743c3

Original change: https://android-review.googlesource.com/c/platform/build/+/1495141

Change-Id: I63ac1f6f326ee1272756533c7dd69286b065c4a2