Camera: set nail size from PreviewFrameLayout

Fixes preview frame not being resized correctly after orientation
change in PhotoUI after CodeAurora's change.

Change-Id: I4fd15a83ed2ac76a477070b51b9b604672f02d53
Merge branch 'cm-10.2' of https://github.com/CyanogenMod/android_packages_apps_Gallery2 into cm-10.2