Fix some failed tests

1. In master branch, SortModel and SortDimension parcelable test
   failed due to cannot find its CREATOR, add "final" can solve.
2. testKeyboard_arrowsRootsList will failed due to drawer layout
   is not focusable, remove it.

Bug: 131735635
Bug: 131814303
Test: atest DocumentsUIGoogleTests
Change-Id: I3ca9cdad32dd33281f9fbb3b6414c9bb987fe4c8