Screen lock is not disabled properly after disabling fullscreen mode (long-press)

[ijdoc]

• Nexus 4 running Android 4.3
• Steps to reproduce:
  1. Enable full screen switch mode
  2. Use full screen swittch mode for a bit
  3. Disable full screen switch mode by long-pressing on the screen
  4. Observe screen locks on its own after a bit of use

[k22mak]

@jorgeSilva I have been unable to recreate this bug. It may be inadvertently fixed in the 2 pull requests I have put in.