Merge "Check Read permissions when getDocumentMetadata" into rvc-dev am: ffc3e741d2 am: 8ed5a46eb6

Change-Id: I137d4d7e67089e92dd4250e93f8588495fa83467

core/java/android/provider/DocumentsProvider.java

@@ -1274,6 +1274,8 @@ public abstract class DocumentsProvider extends ContentProvider {
 
             out.putParcelable(DocumentsContract.EXTRA_RESULT, path);
         } else if (METHOD_GET_DOCUMENT_METADATA.equals(method)) {
+            enforceReadPermissionInner(documentUri, getCallingPackage(),
+                    getCallingAttributionTag(), null);
             return getDocumentMetadata(documentId);
         } else {
             throw new UnsupportedOperationException("Method not supported " + method);