LayoutLib: extract resource resolution into its own class.

Next step is to make it a jar that will also live in
ADT.
The version in layoutlib will be through a prebuilt jar
file, like ninepatch.

Also add ninepatch.jar inside the layoutlib.jar file.

Change-Id: I4a0cc9f2dd99709de6408386054c6d4abae7c824
9 files changed