question: public void deleteRCSEntries ( ) { mLocalContentResolver . delete ( AggregationData . CONTENT_URI , null , null ) ; synchronized ( mContactInfoCache ) { if ( sLogger . isActivated ( ) ) { sLogger . debug ( "deleteRCSEntries" ) ; } mContactInfoCache . clear ( ) ; mLocalContentResolver . delete ( CONTENT_URI , null , null ) ; } }
target:  Delete all RCS entries in databases