Fix up some small resource issues

- the "save" string is a duplicate, and is overriden by the next definition below it.
  Due to the way AAPT handles overlays, this was accepted.
- the style attribute should not start with '@'.
- the 'raw' type is reserved for file references. Values should not be 'raw'.

Change-Id: Id611d5915207ce624d7a743b5d79bbb1258d3d51