Add setFrameRate() api

setFrameRate() is a new api in Android 11 that will enable apps to
specify their intended frame rate.

Bug: 143912624
Bug: 137287430

Test: Added a new CTS test - android.graphics.cts.SetFrameRateTest.

Change-Id: I922573c0d704e2e0ce4cfc2a462f14dce8cb7a79