Update Font.java
Update system_fonts.xml
Update QwertyKeyListener.java
Update KeyCharacterMap.java
Revert "Update Font.java"

This reverts commit 054765ccdd6aa07edbb6a407f3b7f91cb17431da.
Revert "Update system_fonts.xml"

This reverts commit 176feb4561f41dd6514c76dd07972ef9f230aeee.
Merge commit '04787d14261f2224cfd5926111ec7f735ede8d52' into kitkat2