Use isolated uid to set oom_score_adj

When a service is isolated, ProcessRecord.uid is different from
ProcessRecord.info.uid. We should use the former to set oom_score_adj.
Otherwize, lmkd fails to set memory.soft_limit_in_bytes for isolated
processes.

Bug: 64656396
Test: tested on gobo

Change-Id: I81fb1cf64f4680355365ad715b7c0ecd7ac560ed

services/core/java/com/android/server/am/ActivityManagerService.java

@@ -21937,7 +21937,7 @@ public class ActivityManagerService extends IActivityManager.Stub
         int changes = 0;
 
         if (app.curAdj != app.setAdj) {
-            ProcessList.setOomAdj(app.pid, app.info.uid, app.curAdj);
+            ProcessList.setOomAdj(app.pid, app.uid, app.curAdj);
             if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG_OOM_ADJ,
                     "Set " + app.pid + " " + app.processName + " adj " + app.curAdj + ": "
                     + app.adjType);