Add non-Android accessor for OnSystemUiVisibilityChangeListener.
basic support for GradientDrawable#getColor()
Merge pull request #923 from pivotal-odell/systemUiVisibilityChangeListener

Add non-Android accessor for OnSystemUiVisibilityChangeListener.
Can setHasPermanentMenuKey on ViewConfiguration
Merge pull request #922 from pivotal-odell/gradientDrawable-getColor

Basic support for GradientDrawable#getColor()
Merge pull request #924 from pivotal-odell/viewConfiguration-setHasPermamentMenuKey

Can setHasPermanentMenuKey on ViewConfiguration