DeskClock: Fixup summary texts for shake and flip actions

This introduced on http://review.cyanogenmod.org/#/c/56698/

Change-Id: If2615210e3dfd15c510c1b18ec2f26a0b24a227d
Merge branch 'cm-11.0' of git://github.com/CyanogenMod/android_packages_apps_DeskClock into cm-11.0