resolve merge conflicts of 152d353e87 to master.

Change-Id: Ida54b932d0a077d6eaeb2418a6cbf58f96035fff
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 566065c..9ed1df8 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -18894,8 +18894,6 @@
                         }
                     }
                 }
-                Process.setSwappiness(app.pid,
-                        app.curSchedGroup <= Process.THREAD_GROUP_BG_NONINTERACTIVE);
             }
         }
         if (app.repForegroundActivities != app.foregroundActivities) {