MetaInfStripTransform issue with signed jars

[romtsn]

The MetaInfStripTransform should also clean up the MANIFEST.MF file for transformed jars, if they are signed, because it contains references to stripped out files.

This only affects AGP versions between 7.0.0 and 7.1.2 where we run the transform.

[malbanese]

If interested, here's a sample project I put together that exhibits the issue mentioned in the other thread. The error can be encountered by running any of the test gradle tasks.

https://github.com/malbanese/sentry-gradle-3-0-1-test-execution-bug

[bruno-garcia]

7.0.0: Dec 1, 2020
7.1.2 (February 2022)

Basically 1 year worth of AGP. But the solution is telling users to upgrade AGP

Ideas:

• Create a troubleshoot page entry describing this and linking to this issue
• SAGP check for the version and warns on the terminal users should upgrade AGP
• Proper fix: Clean up manifest

[lbloder]

We decided to not transform signed Multi-Release jars and print a warning to inform the user that this might lead to issues which could be solved by upgrading to AGP > 7.1.2.