am 4fd41688: am 5352d237: am 38137d7a: Merge "docs: lots of additions to the resources docs new drawable resources add <merge> and <include> to layout resource update drawable class descriptioons to point to resources guide add ID resource type" into froyo

Merge commit '4fd416880e53c172bac4a51b2eafea699b58badf'

* commit '4fd416880e53c172bac4a51b2eafea699b58badf':
  docs: lots of additions to the resources docs