PEEK: Update peek pacakge name (DisplaySettings.java)

This commit was Re-committed by @namja in Triangles

Peek package was changed when it moved in the play store

Update it here so the system peek setting is properly disabled

Change-Id: If7acf3c3dd34b965b4a74a0ec9747178c601eda9
Signed-off-by: Evan Anderson <evananderson@aospa.co>

Conflicts:
	src/com/android/settings/DisplaySettings.java