SetFrameRateTest: Remove failing check

We don't need to check that setFrameRate(0) for a layers
makes the device's frame rate go back to initial frame rate,
since this is not expected for devices which have content detection
turned on.

Bug: 174786692
Test: atest SetFrameRateTest
Change-Id: Id61edeae7d81a021d972725d2fa104f0b9daad29
1 file changed