media modules get more descriptive *.rc filenames

instead of generic "init.rc"
Include the sdk-specific versions (*.32rc) that change
from writepid to task_profiles for cpu allocation profiles.

Bug: 226947753
Bug: 191283136
Test: build, boot, examine produced artifacts
Change-Id: I4c77675fd4f667594e410efa8dd5ca6ce2c47308