Consolidating PM owner definition and adding new owners.

Change-Id: If4b080755701452c53d55f26380e887dc3944dbf
diff --git a/packages/PackageInstaller/OWNERS b/packages/PackageInstaller/OWNERS
index c633113..2736870 100644
--- a/packages/PackageInstaller/OWNERS
+++ b/packages/PackageInstaller/OWNERS
@@ -1,7 +1,5 @@
 svetoslavganov@google.com
-toddke@google.com
-patb@google.com
-suprabh@google.com
+include /PACKAGE_MANAGER_OWNERS
 
 # For automotive related changes
 rogerxue@google.com