Add tests for uncaught exceptions from methods called through the Java Bridge

This is a cherry-pick from master. See
https://android-git.corp.google.com/g/184260

If a method called on a Java object through the Java Bridge throws an uncaught
exception, we throw a JavaScript exception.

See WebKit change https://android-git.corp.google.com/g/184252

Bug: 6386557
Change-Id: Ie2a97a26372fb11782b35db09bc2046fb7eb1f86