[automerger skipped] Add quant8 signed generated tests am: da779f322c am: 06e5ab361a am: 8ca5120f74 -s ours
am skip reason: Change-Id Ie2959ba7258d8106d5b3dd36970181519b75e3b3 with SHA-1 16e8c9cc02 is in history

Change-Id: I47015936d9c26a6b649cfd5d107bd36e78e4d803