Fix issues for fix-layout, sticky-layout, floating-layout and width calculation

[sueLan]

Fix issues:

1. support define width as -1; as it is equal to the width of the screen
2. views with fix-layout, sticky layout or floating layout should stay sticky on the screen when scrolling3

Before Fixing:

Fix Layout

When scrolling, the view in red keep shaking and won't be sticky on the screen.

Sticky layout

The view with sticky layout keeps jumping

Floating layout

Floating view can stay where it should be steadily

After fixing:

Views with these 3 layouts stay stickily on the screen when scrolling

[CLAassistant]

All committers have signed the CLA.