Add compsvc, compsvc_worker and pvm_exec to compos apex

Bug: 186126404
Test: mma

Change-Id: Ifd3bbc5597c96b84262c7548f278d04ec80af1a6
diff --git a/compos/src/compsvc.rs b/compos/src/compsvc.rs
index e912463..ddfcea0 100644
--- a/compos/src/compsvc.rs
+++ b/compos/src/compsvc.rs
@@ -43,8 +43,7 @@
 };
 
 const SERVICE_NAME: &str = "compsvc";
-// TODO(b/161470604): Move the executable into an apex.
-const WORKER_BIN: &str = "/system/bin/compsvc_worker";
+const WORKER_BIN: &str = "/apex/com.android.compos/bin/compsvc_worker";
 // TODO: Replace with a valid directory setup in the VM.
 const AUTHFS_MOUNTPOINT: &str = "/data/local/tmp/authfs_mnt";