Merge cherrypicks of ['googleplex-android-review.googlesource.com/28026904'] into security-aosp-sc-release.

Change-Id: I87d49039e6996ec1c1b1c8668463db65d50af359
diff --git a/prebuilts/api/31.0/private/system_server.te b/prebuilts/api/31.0/private/system_server.te
index 73301c1..b1088aa 100644
--- a/prebuilts/api/31.0/private/system_server.te
+++ b/prebuilts/api/31.0/private/system_server.te
@@ -903,6 +903,7 @@
 	clear_ns
 	clear_uid
 	get_state
+	delete_all_keys
 	lock
 	pull_metrics
 	reset
diff --git a/private/system_server.te b/private/system_server.te
index 73301c1..b1088aa 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -903,6 +903,7 @@
 	clear_ns
 	clear_uid
 	get_state
+	delete_all_keys
 	lock
 	pull_metrics
 	reset