[automerger skipped] Merge "Revert "Add an API to listen for changes in network blocked status of an uid."" am: 677f4420b9 -s ours am: 45031cd16a -s ours am: a1ffcbd57f -s ours

am skip reason: skip tag Change-Id Ib9949b8619c6b148f73630b314c4113d76c31ec1 with SHA-1 98dd271306 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1645826

Change-Id: I682d85048801567ff9cffbc0e7ded0290ca86bdb