Camera2: Fix JPEG EXIF CTS test
Camera2: Fix JPEG EXIF CTS test

Change the focal length precision to fix the JPEG EXIF CTS test

Bug: 13971753
Bug: 13812772
Change-Id: Ie0f0d515b2d520a933b2e33b02066d3f49fde1f1

maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead