[automerger skipped] [automerged blank] Revert "Disable pointer authentication...

[automerger skipped] [automerged blank] Revert "Disable pointer authentication in app processes." 2p: e1e57730 am: 3c121b75 -s ours

am skip reason: Merged-In I3030c47be9d02a27505bd4775c1982a20755758c with SHA-1 69538cf7 is already in history. Merged-In was found from reverted change.

Reverted change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16713103

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17214406

Change-Id: I658e5d28639a90b58d165cf46bee84c47b54e353