Fix issue keeping Go recents view GONE

Go recents view was always GONE before. This is because Go was missing
logic in its CONTENT_ALPHA property to set visibility on appropriate
alpha changes. This CL fixes this.

Bug: 114136250
Test: Manual test and see the view is there
Change-Id: I45fea6d695b9b3154be9d2e6fae25ca8a8aa288e
1 file changed