Port camcorder touch-to-focus feature from CAF

Change-Id: I86ec05955298bc04a7254844220aae1fb119895f

Conflicts:
	src/com/android/camera/VideoModule.java
Port camcorder touch-to-focus feature from CAF

Change-Id: I86ec05955298bc04a7254844220aae1fb119895f

Conflicts:
	src/com/android/camera/VideoModule.java
Revert "Port camcorder touch-to-focus feature from CAF"

This reverts commit 77521f7f46c57b19e52ec10a9b8b75a9a6bf86ff.