Add system/extras/verity/build_verity_metadata.py  to otatools am: e718501021
Add system/extras/verity/build_verity_metadata.py  to otatools
am: e718501021

* commit 'e718501021dd039875745d3ff829341c2bb05248':
  Add system/extras/verity/build_verity_metadata.py  to otatools

Change-Id: I25d3edc76e97f1249768bd9e9bbbecdf8fc5fe79

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build