Add support for QUANT8_SYMM_PER_CHANNEL as graph input

Bug: 119255406
Test: Vts/Cts NNAPI tests.
Change-Id: If7407355f7c1ac878f919369c06ec98592e3f3d4
Merged-In: If7407355f7c1ac878f919369c06ec98592e3f3d4
(cherry picked from commit 429096160dc102b531a37b29dcdfeab07d7ec212)
1 file changed