Swallow exception from failed idmap2d disable

If the idmap daemon cannot be disabled for some reason, it is okay
to swallow the exception caused by failing to set "ctl.stop". Log a
warning instead.

Bug: 186761471
Test: builds
Change-Id: Iae07c9f9af6a0c07fd6d89d97452f0add19db56d

services/core/java/com/android/server/om/IdmapDaemon.java

@@ -194,7 +194,13 @@ class IdmapDaemon {
     }
 
     private static void stopIdmapService() {
-        SystemService.stop(IDMAP_DAEMON);
+        try {
+            SystemService.stop(IDMAP_DAEMON);
+        } catch (RuntimeException e) {
+            // If the idmap daemon cannot be disabled for some reason, it is okay
+            // since we already finished invoking idmap.
+            Slog.w(TAG, "Failed to disable idmap2 daemon", e);
+        }
     }
 
     private Connection connect() throws TimeoutException, RemoteException {