Merge change 20905

* changes:
  git rid of the "x" prefixes for test
diff --git a/tests/backup/test_backup_common.sh b/tests/backup/test_backup_common.sh
index 31e4ddd..61ec833 100755
--- a/tests/backup/test_backup_common.sh
+++ b/tests/backup/test_backup_common.sh
@@ -23,7 +23,7 @@
 function adb_root
 {
     root_status=$(a root)
-    if [ "x$root_status" != "xadbd is already running as root" ]; then
+    if [ "$root_status" != "adbd is already running as root" ]; then
         echo -n "Restarting adb as root..."
         sleep 2
         a 'wait-for-device'