It would be better to find out why the nextBuildNumber is at times empty.
In the mean time this will find the appropriate number and write it to the file.

This lets us get rid of Xalan safely (as well as other often problematic
dependencies like nekohtml + Xerces combo), and reduce the dependency
footprint.

workaround.

commit 6b15b71f0d2c20a349c942737c2d9a776e2da62e
Author: OHTAKE Tomohiro <ohtake.tomohiro@jp.fujitsu.com>
Date:   Tue Oct 11 16:26:37 2011 +0900

    Stylize fingerprints tables

commit 1085a476844f33d530350223d8e3c165b18d70e9
Author: OHTAKE Tomohiro <ohtake.tomohiro@jp.fujitsu.com>
Date:   Tue Oct 11 09:24:02 2011 +0900

    [FIXED JENKINS-9210] Fingerprint's age should be sorted by its elapsed time

Modified to assume UTF-8 if we fail to find it.

Earlier versions of the plugin (2.x and prior to 3.0.0-alpha6) do not produce
test reports and also do not accept the same configuration properties. Ignore
those earlier versions.
Also accept the new plugin name android-maven-plugin (changed to fit with
Maven plugin naming guidelines).