Build proguard zips in soong-only builds

This builds the zips but doesn't dist them, I'll do that in a followup.

Bug: 395160816
Test: Diffed proguard-dict.zip proguard-usage.zip and proguard-dict-mapping.textproto between soong and make
Change-Id: Ic112427e4a2fdaf92a1d0a96d0f1c100b57be37a