Remove most paths from java.TestConfig

Now that tests don't need to specify every path passed to
PathForSource or PathForModuleSrc, remove most of them from
java.TestConfig.  Leave a few that are globbed by lots of tests,
and move a few that are globbed by a single test into the tests.

Test: all soong tests
Change-Id: Ica91d7203a6a7dbca0fd4fed84c78f149b8699e1