am e93f49b7: am cc9a63db: Add support for specifying the current LCD brightness mode to the backlight driver.

Merge commit 'e93f49b7ff34b1f8c689b6a3ed85ef92b64d094a' into eclair-mr2-plus-aosp

* commit 'e93f49b7ff34b1f8c689b6a3ed85ef92b64d094a':
  Add support for specifying the current LCD brightness mode to the backlight driver.