Move TEXT_HANDLE_MOVE and CLOCK_TICK to TEXTURE_TICK.

TEXTURE_TICK is a new constant that is expected to be called repeatedly
in order to simulate a texture effect when a user is interacting with
the device, like with TEXT_HANDLE_MOVE.

Bug: 111461797
Test: Manual
Change-Id: Ia21de3ce1755a908b4bd4fcbdda411864e5b9fe9