Guard the use of SYSTEM_UI_FLAG_XXXX with TargetApi

bug: 6698718

Change-Id: I6962f0128ce2bd57658b7f3b77d2bc150eff1f60
1 file changed
tree: 43d7722c7c0f15e0fcf5947e083383568099efa0
  1. gallerycommon/