Fix some sizes that weren't changing for font scale / display size`

Test: manual - have some bubbles
             - change font & display size
             - add a new bubble
	     => ensure UI elements have changed size & match the size
	        of the new bubble (manage text, overflow empty statei
		text, pointer size, manage menu contents)
Bug: 160284881
Change-Id: I2de45ba0975e2e0295abf8b350b9c2fb11ef73a8