[automerger skipped] Expose uids related APIs in NetworkRequest and NetworkCapabilities am: 0ffaec3d50 -s ours

am skip reason: skip tag Change-Id If76877e6bde7abe3b5ddde078f87eefd027e675c with SHA-1 32996ff68f is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13946380

Change-Id: I1072a17b5977b5c2c4fdb8e04c59298c59c0d3c3