Increase offset from border on swipe test

To avoid crashes on screens with raised bezels, start and end swipes
farther from the edge of the screen.

BUG=b:148627899
TEST=Run test

Change-Id: I3134a3b4adbbbae5aaf0fffb191a20bec902239c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/optofidelity_TPPT/+/3752878
Reviewed-by: Jingyuan Liang <jingyliang@google.com>
Commit-Queue: Sean O'Brien <seobrien@chromium.org>
Tested-by: Sean O'Brien <seobrien@chromium.org>
Reviewed-by: Kenneth Albanowski <kenalba@google.com>
1 file changed