Camera: Fix testSPerfClassJpegSizes on certain devices

Camera device rounds smaller JPEG sizes to a larger size with
min euclid distance. The overriding JPEG size isn't necessarily
1920 * 1080. Adjust the test to handle that.

Test: Camera CTS, vendor testing
Bug: 288471754
Change-Id: I9331ad803aeb2afd513796616a4d7588eb0f9d00