Fix resource validator for style resources

This fixes issue 31414:
Extract style from XML layout doesn't allow . (dot) in the name

The root issue is that in value files, you can use "."  as part of the
resource name; it gets remapped to _ in the R file.

Change-Id: I59bf9d7ceb36be832dde64f557d023dd6d1d29e0
2 files changed