Add PRODUCT_HOST_PACKAGES for all host modules in PRODUCT_PACKAGES

In preparation for splitting PRODUCT_HOST_PACKAGES and PRODUCT_PACKAGES

Removes references to emmalib and jython which don't exist.

Test: treehugger
Change-Id: I830ea918dca5766a8269aa1cd38f26cdb1c18969
Merged-In: I830ea918dca5766a8269aa1cd38f26cdb1c18969