[FIX] Escape in sap.m.TextArea should trigger LiveChange event when
value needs to be reverted.

CSS: 0120031469 0000745737 2014
Change-Id: I48a5821d77f38a2bacf6e0a99813792578a127d7
Merge "[FIX] Escape in sap.m.TextArea should trigger LiveChange event when value needs to be reverted."