Merge "Use DE storage for writing shared prefs during the test."
diff --git a/hostsidetests/blobstore/test-apps/BlobStoreHelperApp/src/com/android/cts/blob/helper/DataPersistenceTest.java b/hostsidetests/blobstore/test-apps/BlobStoreHelperApp/src/com/android/cts/blob/helper/DataPersistenceTest.java
index a280997..5cfd669 100644
--- a/hostsidetests/blobstore/test-apps/BlobStoreHelperApp/src/com/android/cts/blob/helper/DataPersistenceTest.java
+++ b/hostsidetests/blobstore/test-apps/BlobStoreHelperApp/src/com/android/cts/blob/helper/DataPersistenceTest.java
@@ -149,7 +149,7 @@
     }
 
     private SharedPreferences getSharedPreferences() {
-        return mContext.getSharedPreferences(mContext.getPackageName(),
-                Context.MODE_PRIVATE);
+        return mContext.createDeviceProtectedStorageContext().getSharedPreferences(
+                mContext.getPackageName(), Context.MODE_PRIVATE);
     }
 }