Resize text in drop target button if the text displayed is truncated vertically

“Don’t suggest app” text is cut off at the bottom in tablet when it is set to have largest font and display size before this fix. This change is to check if the text is displayed completely with available height. If not, decrease the text size until it does

Fix: 264732627
Test: manual
Change-Id: I8331a40f2cd767a7b2807c15d9772566baf9f355