Add Pinch test

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

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
Tested-by: Sean O'Brien <>
Reviewed-by: Harry Cutts <>
4 files changed