Merge changes from topics "move-kerneltotag", "move-socket-tagging-to-mainline" am: a6bc0e1373 am: 820885090d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1964912

Change-Id: Iad7271aae7a5a4bafd3ba924546cb8ba6df8cd33