[FIX] sap.m.TextArea should scroll into view when window is resized.

- Responsible code is moved from InputBase to library.

Change-Id: I9a95e28fabfa6d16573d0a72afe1d007ffac36b3
CSS: 0120031469 0000720755 2014
Merge "[FIX] sap.m.TextArea should scroll into view when window is resized."