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
diff --git a/apex/mediaswcodec.rc b/apex/mediaswcodec.rc
index 0c9b8c8..46799c7 100644
--- a/apex/mediaswcodec.rc
+++ b/apex/mediaswcodec.rc
@@ -1,3 +1,6 @@
+##  for SDK releases 29..31
+##  where writepid has not yet been replaced by task_profiles
+##
 service media.swcodec /apex/com.android.media.swcodec/bin/mediaswcodec
     class main
     user mediacodec