jar for embedded mode changed name between 5.34.92.0 and 5.34.94.0

[townxelliot]

The name of the jar file for embedded mode changed from:

xwalk_core_embedded.dex.jar

to

xwalk_runtime_embedded.dex.jar

This prevents embedded mode packaging from working. This needs to be fixed in Env, when looking for Android "pieces".

However, we can't just change the name of the jar file we're looking for, as this will prevent crosswalk-apk-generator from working with version 4 of Crosswalk Android. So we should probably shelve this until we get a chance to look at multi-version support (#5) again.

[townxelliot]

Max fixed this in afd8eaa by adding the new jar file name to the list of alternatives to check for (easier than we thought).