Rename OnHasTouchEventHandlersForTest in InputRouterImpl

The call site of this function is resetting the |allowed_touch_action_|
only, so rename this function to ForceResetTouchActionForTest.

This CL should not introduce any behavior change.

Bug: None
Change-Id: I253d73f4f21bdb6268f43ce535453412f4b32c51
Reviewed-on: https://chromium-review.googlesource.com/c/1277947
Commit-Queue: Xida Chen <xidachen@chromium.org>
Reviewed-by: James MacLean <wjmaclean@chromium.org>
Reviewed-by: Alex Moshchuk <alexmos@chromium.org>
Reviewed-by: Navid Zolghadr <nzolghadr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#599184}
6 files changed