03ce9b3e69
Allow the appropriate WebView to be preloaded in the zygote by constructing the currently selected WebViewFactoryProvider when the WebViewFactory is preloaded. At runtime, if the preloaded provider is still the current selection, the preloaded instance is used, otherwise the provider is loaded at that time. This change also removes "graceful" fallback from the experimental WebView to the classic implementation: if the option to use the experimental WebView is selected and it could not be loaded successfully at the time a WebView is created, an exception will be thrown, rather than allowing execution to continue with the classic implementation, as the fallback may mislead developers who do not examine logcat output in detail. Change-Id: I0cd01c784d7048abeac55ab5863ca16b8fd9ecf2