Merge "Add OWNERS file for provider tests" am: 8aad810051 am: 1b31fd8a96 am: 8b5269dd90

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1576395

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic341f62c5374b52b7395d2ed8aadfd53e8c00d7e