Move runMonotonicClockTest into MotionTestingComposeLib 1/2

The runMonotonicClockTest method allows for testing animations without
the need for a UI. This method has been moved to a shared library for
easier access.

Test: Just a refactor
Bug: 384402480
Flag: NONE Method moved in a shared library
Change-Id: I3e5564d2b33cf33804bb740056f8f134c307d694