Change the widgets header drawable to be a selector with the
state_focused property in addition to the state_expanded property. The
focused items are drawn with a focus ring with no ripple, while the
unfocused items have a ripple.
Bug: 365120324
Test: focus traversal through left widget picker pane
Flag: EXEMPT bug fix
Change-Id: I710cb9e2d727a061e0c19df15526e8c832f6366b
Bug: 278157622
Test: Look at widget picker on tablet and verify that the colors match the new spec, and verify the portrait mode looks good also.
Change-Id: I634d876dfafc086806b233c500f7d8daddfe7b0b
Currently the names used for widgets two pane sheet files are similar to full sheet files, just with "_large_screen" added to it. This is not a good name as it can cause confusion. The new name includes "_two_pane" which is more indicative of the actual functionality of these files.
Fix: 276917926
Test: verify widget picker two pane still works
Change-Id: I23cf2a20fc137cc3e99c5fdc90100648a0926368
