Add Pinch test

Adds the Pinch test case, including configuration controls, gesture grid
generation, issuing robot commands, and saving results to sqlite database.

BUG=b:148627899
TEST=Run test using TnT UI, selecting different configuration options.
Robot performs gestures correctly, and results are saved properly in
sqlite database.

Change-Id: I3a7660e9a4721b6d0b06dae0a48f539ad97f05a0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/optofidelity_TPPT/+/2108566
Tested-by: Sean O'Brien <seobrien@chromium.org>
Reviewed-by: Harry Cutts <hcutts@chromium.org>
4 files changed