[automerger skipped] Add TENSOR_QUANT8_ASYMM_SIGNED support for more ops am: 90fc2cc193 am: 6655e46b2a
am: f22e69b499 -s ours
am skip reason: change_id I7e1b65507ea0f7dcdfdb5fd98e7871d84f569ed7 with SHA1 6d3cdc322b is in history

Change-Id: I7dc044d5b2222e6749f5688fbaaaea351be39c7c