Bug 451250 - Sometimes annotation doesn't auto-relocate to the visible
area

Fixed


Change-Id: I8da789f9fd01d7032b8c54ff4871c56192bf1c51
Signed-off-by: Xihui Chen <ztyaner11@gmail.com>
Bug 451249 - Auto scaling should give some extra room for the trace

Fixed. 

Change-Id: Ib6dd86f0981cbce7855326e64f6f7f633273c3a1
Signed-off-by: Xihui Chen <ztyaner11@gmail.com>