Camera: Put CameraTest#testPreviewFpsRange into known failures

The test is flaky on nearly all devices, even after the timing
requirements have been repeteadly loosened. Mark as a bad test
until it can be refurbished so that failures can be better
pointed at devices and not the test

Bug: 23008511
Change-Id: I35c378ac1ab8108b6317dd80e46f3ad3b84ec9f2
1 file changed