Fix issue #1837610 and #1753079

Issue 1837610 Adding a Widget before Running the Associated App Causes a Force Close

We were not retrieving the shared libraries of an application when deliving a
broadcast to an explicit component.

Issue 1753079 loading class path of instrumented app into instrumentation may load wrong path when instrumented app shares process with other apps:

We were using the ApplicationInfo that was used to originally create the process, not the one that the
instrumentation is against.