Merge "DO NOT MERGE: Add cube gather tests that avoid corners;  remove D32F from mustpass" into lollipop-mr1-cts-dev am: 06627c74b4  -s ours
am: a635ea841e

* commit 'a635ea841ea5590ac4e965be373805456c00b5b3':
  DO NOT MERGE: Add cube gather tests that avoid corners; remove D32F from mustpass