am 208e390a: am e5e2c167: am f4b5540b: doc change only: add screens support doc

Merge commit '208e390af0ab1ca5f0cb2000692ea20cf67a9ea3' into eclair-mr2-plus-aosp

* commit '208e390af0ab1ca5f0cb2000692ea20cf67a9ea3':
  doc change only: add screens support doc