Add log when acquiring and releasing wakelock.

This is so that we can add a CTS test which asserts through logcat
inspection that backup and restore operations acquire and release
wakelock in the expected manner.

Change-Id: I1a73bd674c22ad7f0f37aba100aee819abe9f4d2

1 files changed, 2 insertions, 0 deletions

diff --git a/services/backup/java/com/android/server/backup/UserBackupManagerService.java b/services/backup/java/com/android/server/backup/UserBackupManagerService.java
index f0fa99a4eec7..e3d2dcc8141f 100644
--- a/services/backup/java/com/android/server/backup/UserBackupManagerService.java
+++ b/services/backup/java/com/android/server/backup/UserBackupManagerService.java
@@ -186,6 +186,7 @@ public class UserBackupManagerService {
                 return;
             }
             mPowerManagerWakeLock.acquire();
+            Slog.v(TAG, "Acquired wakelock:" + mPowerManagerWakeLock.getTag());
         }
 
         /** Releases the {@link PowerManager.WakeLock} if hasn't been quit. */
@@ -195,6 +196,7 @@ public class UserBackupManagerService {
                 return;
             }
             mPowerManagerWakeLock.release();
+            Slog.v(TAG, "Released wakelock:" + mPowerManagerWakeLock.getTag());
         }
 
         /**