am dfe25b0e: Merge "LayoutLib: support for custom styles." into eclair

Merge commit 'dfe25b0e0c382d04a59bb03c7f5f8689ece5395e' into eclair-plus-aosp

* commit 'dfe25b0e0c382d04a59bb03c7f5f8689ece5395e':
  LayoutLib: support for custom styles.