Adjust placeholder font when the main textview font is set.
Adjust placeholder font when the main textview font is set.

joystate/CustomizebleCalendar,adan016/tapkulibrary,venkadesh02/tapkulibrary,weiyanwu84/tapkulibrary,bpap1989/test,yybutcher/tapkulibrary,mohsinalimat/tapkulibrary,joystate/CustomizebleCalendar,pengleelove/tapkulibrary,joystate/CustomizebleCalendar,triage/tapkulibrary,joystate/CustomizebleCalendar,shads196770/tapkulibrary