tflite: Add DepthwiseConv2d in op_compat_test

This increases the built-in operators coverage of GPU delegate to 27/79.

BUG=b:342537877
TEST=op_compat_test --stable_delegate_settings_file=gpu.json

Change-Id: Iad2cd57138107f31658ff2c83861ba0a7990c3d5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/tflite/+/5599902
Auto-Submit: Shik Chen <shik@chromium.org>
Commit-Queue: ChromeOS Auto Retry <chromeos-auto-retry@chromeos-bot.iam.gserviceaccount.com>
Tested-by: Shik Chen <shik@chromium.org>
Reviewed-by: Ching-Kang Yen <chingkang@chromium.org>
1 file changed