Also make the invisible activity truly invisible (was
showing a blue line behind the dialog).
Bug: 5572140
Change-Id: I67b31f0682f189c7075011e0dd0660b0fbc543d9
Added spinning progress indicator to the open source license dialog.
The actual file loading is now handled by a separate thread, in
order to provide user feedback and reduce risk for ANR.
Change-Id: Ia12727ecc2fe8114e0d1384769b568142c8a1db6