[automerger skipped] Update Android to tzdb 2020a [Q branch] am: c3c0966dc5 -s ours am: 73dd066b6d -s ours am: adeb785de1 -s ours am: df330d7329 -s ours

am skip reason: Change-Id Id82b58f1029e588908eb7601f1893138b9abf183 with SHA-1 3d89d902ac is in history

Change-Id: I948695d318897fff2484b05e25057e75fabc065e