Merge "Remove unstable IpPrefix" am: 184a6ce54d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1662674

Change-Id: I7517ae6cefa96ee3ca38fbcca36970677cb6469b
tree: 3846ffc0b9a9a66414b67e326d67c91bc497a8e7
  1. framework/
  2. service/
  3. OWNERS
  4. TEST_MAPPING