Bug 993835 - Added Makefile for keyboard back
 Bug 985849 - [Settings] Add icons to Volume adjustment Seek Bar
Merge pull request #18098 from yurenju/keyboard-makefile

Bug 993835 - Added Makefile for keyboard back r=@cctuan
Bug 973907 - [BB] include input type range in seekbars BB
Merge pull request #18280 from anefzaoui/issue-985849

 Bug 985849 - [Settings] Add icons to Volume adjustment Seek Bar r=crh0716
Merge pull request #18351 from rnowm/input-types

Bug 973907 - [BB] include input type range in seekbars BB r=pivanov