Merge "Modify / add OWNERS files related to time / tz" am: 5ffc4b11f5

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1526742

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I0ef84efc0be2ee930db97ed6682f23bf8366e1c0