Add quantization coupling test to CTS

Bug: 137828994
Test: in a follow-up CL that enables int8_t support for SELECT
Change-Id: I5c33050c73d4f3105893ff26e1427c24c20b0870
Merged-In: I5c33050c73d4f3105893ff26e1427c24c20b0870
(cherry picked from commit 56403f3fccc8f99604b2aaf15b1f60e564ef5a78)
3 files changed