There is a little gem in the documentation of the latest Android SDK version. A mention of native NPAPI plugins:

WebViews now support plugins. The location of the plugin is set via WebView.setPluginsPath(). Plugins are native (C/C++) code that implement the NPAPI interface.

This opens the door to native plugins on the browser. Including Adobe Flash, if Adobe wants to.

Android is a managed platform running interpreted bytecode. But there is now an explicit mention of native, third-party binaries in the form of NPAPI complaint browser plugins. This is understantable since such plugins often implement audio and video codecs and a bytecode interpreter is probably not fast enough. But this also means it may be possible to develop applications that bundle a native WebView plugin for internal usage.

The SDK is not yet 1.0 but I hope we hear more about this feature. Let's hope it remains here for every developer who wants to use it and on shipping devices.