Make webview use a SurfaceView by default
Make webview use a SurfaceView by default

I actually thought this was already the default, but turns out I was wrong. It really should be since 99% of Cordova apps don't need a TextureView, and it's better on battery to use SurfaceView.

Related to https://github.com/MobileChromeApps/mobile-chrome-apps/issues/538
ajoslin/cordova-plugin-crosswalk-webview,crosswalk-project/cordova-plugin-crosswalk-webview,cooervo/cordova-plugin-crosswalk-webview,FrankSunnyvale/cordova-plugin-crosswalk-webview,DrMoriarty/cordova-plugin-crosswalk-webview,Telerik-Verified-Plugins/Crosswalk,cupidi/cordova-plugin-crosswalk-webview,devgeeks/cordova-plugin-crosswalk-webview,crosswalk-project/cordova-plugin-crosswalk-webview,ajoslin/cordova-plugin-crosswalk-webview,berthnipub/cordova-plugin-crosswalk-webview,matb33/cordova-plugin-crosswalk-webview,iDay/cordova-plugin-crosswalk-webview,hgl888/cordova-plugin-crosswalk-webview,jondong/cordova-plugin-crosswalk-webview,jerroydmoore/cordova-plugin-crosswalk-webview,SidneyS/cordova-plugin-crosswalk-webview,deebloo/cordova-plugin-crosswalk-webview,FrankSunnyvale/cordova-plugin-crosswalk-webview,DrMoriarty/cordova-plugin-crosswalk-webview,cupidi/cordova-plugin-crosswalk-webview,devgeeks/cordova-plugin-crosswalk-webview,dojo4/cordova-plugin-crosswalk-webview,baleboy/cordova-plugin-crosswalk-webview,henning-cg/cordova-plugin-crosswalk-webview,hgl888/cordova-plugin-crosswalk-webview,cooervo/cordova-plugin-crosswalk-webview,baleboy/cordova-plugin-crosswalk-webview,tony--/cordova-plugin-crosswalk-webview,deebloo/cordova-plugin-crosswalk-webview,SidneyS/cordova-plugin-crosswalk-webview,berthnipub/cordova-plugin-crosswalk-webview,jerroydmoore/cordova-plugin-crosswalk-webview,infil00p/cordova-crosswalk-engine,tony--/cordova-plugin-crosswalk-webview,matb33/cordova-plugin-crosswalk-webview,Telerik-Verified-Plugins/Crosswalk,nixplay/cordova-plugin-crosswalk-webview,DispatchMe/cordova-plugin-crosswalk-webview,jondong/cordova-plugin-crosswalk-webview,infil00p/cordova-crosswalk-engine,dpogue/cordova-crosswalk-engine,dojo4/cordova-plugin-crosswalk-webview,nixplay/cordova-plugin-crosswalk-webview,henning-cg/cordova-plugin-crosswalk-webview,DispatchMe/cordova-plugin-crosswalk-webview,iDay/cordova-plugin-crosswalk-webview,dpogue/cordova-crosswalk-engine