alsa_conformance_test: Disable merging points function

The merging points feature may merge the wrong points so disable it
temporarily until we fix the issue.

BUG=b:145486343
TEST=build code and run test

Change-Id: I18498857540053098bc391f77a5a2c4f17040bc0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/audiotest/+/1980200
Reviewed-by: Judy Hsiao <judyhsiao@chromium.org>
Commit-Queue: Yu-Hsuan Hsu <yuhsuan@chromium.org>
Tested-by: Yu-Hsuan Hsu <yuhsuan@chromium.org>
3 files changed