Introduce CTS for Vibrator frequency APIs

Add tests to ensure that devices with frequency control will return
non-empty frequency profiles with valid values for output acceleration
and supported frequencies.

Also introduce coverage tests to the new resonant frequency and Q-factor
APIs.

Bug: 211750173
Test: VibratorTest
Change-Id: Id65d5723473201b4b92aec812cbbd45c77a84631
2 files changed