Move hiddenapi to Soong

Perform hiddenapi CSV generation and dex encoding for Soong modules
in Soong.  This fixes an issue where dexpreopting was happening on
a different jar than was being installed.

Bug: 122856783
Test: m checkbuild
Change-Id: I24a235c63ff62fed7e1af9f2fd17e55b0c1598a5