am 5352d237: am 38137d7a: Merge "docs: lots of additions to the resources docs...

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 '5352d2378d2f92ebe0657e4caedb4498492fc404' into gingerbread-plus-aosp

* commit '5352d2378d2f92ebe0657e4caedb4498492fc404':
  docs: lots of additions to the resources docs