Revert "Revert "camera2-legacy: Workaround max jpeg/preview size AR mismatch""

This reverts commit fd258c22.

Restoring the original workaround because it breaks CTS test
case CaptureRequestTest#testDigitalZoom.

Please note that this change would re-introduce known issue
on some platforms.
[b/19197450] RecordingTest#testBasicRecording fails if
max preview/video size aspect ratio is different than max
picture size aspect ratio.

Original commit message:
Filter out the largest preview sizes (from the stream configuration map)
until we find one whose aspect ratio matches the max jpeg aspect ratio.
Keep all other (smaller) preview sizes.
Bug: 17589233

Change-Id: I7200dc04c8d56936af3cb3f685e76268e87fbf6e