audio: add command to purge permission cache
Add a media_audio_policy service command and helper function
in ServiceUtilities to purge permission cache.
This permists to restore the use of permission cache for
CAPTURE_AUDIO_HOTWORD permission while still allowing CTS tests to
adopt shell permission.
Bug: 185972521
Test: atest AudioRecordSharedAudioTest
Change-Id: Ib8963053d6d7734e474174f572762abe1a4be13b
diff --git a/services/audiopolicy/service/AudioPolicyService.cpp b/services/audiopolicy/service/AudioPolicyService.cpp
index b5eb98f..fb38e3d 100644
--- a/services/audiopolicy/service/AudioPolicyService.cpp
+++ b/services/audiopolicy/service/AudioPolicyService.cpp
@@ -1019,6 +1019,9 @@
return handleResetUidState(args, err);
} else if (args.size() >= 2 && args[0] == String16("get-uid-state")) {
return handleGetUidState(args, out, err);
+ } else if (args.size() >= 1 && args[0] == String16("purge_permission-cache")) {
+ purgePermissionCache();
+ return NO_ERROR;
} else if (args.size() == 1 && args[0] == String16("help")) {
printHelp(out);
return NO_ERROR;