fix old framebuffer API usage in input_android
fix old framebuffer API usage in input_android

the Android input module triggers refreshes under certain circumstances.
This was not considered when refactoring the framebuffer API.

koreader/koreader-base,Frenzie/koreader-base,Hzj-jie/koreader-base,NiLuJe/koreader-base,Frenzie/koreader-base,Frenzie/koreader-base,frankyifei/koreader-base,frankyifei/koreader-base,houqp/koreader-base,Hzj-jie/koreader-base,koreader/koreader-base,houqp/koreader-base,NiLuJe/koreader-base,frankyifei/koreader-base,apletnev/koreader-base,Frenzie/koreader-base,NiLuJe/koreader-base,houqp/koreader-base,frankyifei/koreader-base,koreader/koreader-base,apletnev/koreader-base,houqp/koreader-base,Hzj-jie/koreader-base,apletnev/koreader-base,koreader/koreader-base,Hzj-jie/koreader-base,apletnev/koreader-base,NiLuJe/koreader-base