[automerger] Fixes a double free in ContentEncoding am: d2ff9ba6 am: 126c3676 am: 14de93dc am: 262d9ebb am: 675d2965 am: 6cdf87a2 am: 8c18b78a am: 6e420b88 Change-Id: Idf2f43e5c3441b21ff89122e095533584841f108