Merge "Expose TEST_TAP_PREFIX as system API" am: 565664eabe

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1579503

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Id27c81e87d9a67d48d6c1692438c8d09439ed080
tree: 5eb74d01111cf6ec9b52c8d5eb7d62db3acf0ae2
  1. framework/
  2. service/
  3. OWNERS