Use soong_zip -srcjar for proto and aidl srcjars

IntelliJ's indexer is unhappy with the full paths in the proto
and aidl srcjars.  Use the -srcjar argument to soong_zip, which
causes it to extract the correct filename for .java files based on
the package statement in the file.

Bug: 176209347
Test: manual
Change-Id: I63d9d4f6ba670e3b851835d719519d675ae54c7f