Support java sdk libraries

Sdk addon has been allowed for libraries built with Android.mk. But some
of the libraries included in the Sdk addon should be built with
java_sdk_library. module-stubs-files function is modified for supporting
java_sdk_library modules.

Bug:77577799
Test: make -j
Change-Id: If289e5aa5b5016901ff9b69da8fc7f7d8138a456