Use dependency files generated by llvm-rs-cc for Java

This is similar to 2e45fd03
but this CL is for generated java code.

For C++ code llvm-rs-cc defines two targets but it defines
three targets for Java. The sed script was updated to handle
both cases appropriately.

Bug: 26839129
Change-Id: I5c7705c67f3c65c4c14f74558e603f8ec9f35879