dense pdf417 codes are not recognized

[dustin-graham]

while attempting to scan the back of my drivers license using the develop branch I discovered that the pdf417 code on my card was not being recognized on Android. I switched back to the main branch to test and found that it scanned it easily. Doing a quick analysis of the native code differences and I discovered a difference in how the preview and analysis image sources are configured. On the main branch they are configured identically, but on the develop, the analysis image does not specify a specific target resolution like the preview image does. I corrected this behavior and discovered that my license pdf417 code can now be scanned. I believe what is happening is that under the hood the analysis image is skewed slightly. I think this ends up being ok for lots of codes like QR and code128 but caused the pdf417 on my license card to be unrecognized.

We need to adjust the analysis image size so that it will recognize all codes that it can see.