Add storage owner for StorageManagerTest

Bug: 215859718
Change-Id: I796d0e25200c30c3e875b8aa2534e97f3e0c8904
Test: no
diff --git a/tests/tests/os/src/android/os/storage/cts/OWNERS b/tests/tests/os/src/android/os/storage/cts/OWNERS
index 24559d4..d76ba4f 100644
--- a/tests/tests/os/src/android/os/storage/cts/OWNERS
+++ b/tests/tests/os/src/android/os/storage/cts/OWNERS
@@ -2,4 +2,4 @@
 per-file CrateInfoTest.java = felkachang@google.com
 per-file StorageCrateTest.java = felkachang@google.com
 per-file StorageStatsManagerTest.java = felkachang@google.com
-
+per-file StorageManagerTest.java = file:platform/frameworks/base:/core/java/android/os/storage/OWNERS