Gallery2: Fix the border name display abnormally

The border name display abnormally

Make the border name display normally

Change-Id: Id237236830a272abd958e033315b0e70eff6ff38
CRs-fixed: 740974
Gallery2: Make forward/rewind button grey when stopVideo

StopVideo Api is setting the view visibility which causes
the surface to be created and make the bug happen.

Removed the functionality of the view visibility in
stopVideo Api

CRs-fixed: 642082

Change-Id: I4305302e52ec647bc2b935a817e77a173647be22