AudioFlinger: update to use uid_t

Test: Power manager shows correct uids for audio
Bug: 32713790
Change-Id: I60134f60631ea00886efc912ba298443aadd3c00
diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index 8afe96b..e43f001 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -407,7 +407,7 @@
                 virtual void acquireWakeLock_l();
                 void        releaseWakeLock();
                 void        releaseWakeLock_l();
-                void        updateWakeLockUids_l(const SortedVector<int> &uids);
+                void        updateWakeLockUids_l(const SortedVector<uid_t> &uids);
                 void        getPowerManager_l();
                 void setEffectSuspended_l(const effect_uuid_t *type,
                                           bool suspend,
@@ -552,8 +552,8 @@
                     void            updatePowerState(sp<ThreadBase> thread, bool force = false);
 
                 private:
-                    SortedVector<int> getWakeLockUids() {
-                        SortedVector<int> wakeLockUids;
+                    SortedVector<uid_t> getWakeLockUids() {
+                        SortedVector<uid_t> wakeLockUids;
                         for (const sp<T> &track : mActiveTracks) {
                             wakeLockUids.add(track->uid());
                         }