android 11.0 获取当前界面的APP ，在APP的界面禁止灭屏

客户要求在升级界面不能灭屏，三方APP 不愿意修改，自己在Framework修改的内容，

超时的时候，设置不灭屏。

diff --git a/frameworks/base/services/core/java/com/android/server/power/PowerManagerService.java b/frameworks/base/services/core/java/com/android/server/power/PowerManagerService.java
index 8ea3b0b7fa..d20a0cd132 100755
--- a/frameworks/base/services/core/java/com/android/server/power/PowerManagerService.java
+++ b/frameworks/base/services/core/java/com/android/server/power/PowerManagerService.java
@@ -117,6 +117,11 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Objects;
+import android.app.ActivityThread;
+import android.app.usage.UsageStatsManager;
+import java.util.Calendar;
+import android.app.usage.UsageEvents;
+import android.content.ComponentName;
 
 /**
  * The power manager service is responsible for coordinating power management
@@ -1958,6 +1963,24 @@ public final class PowerManagerService extends SystemService
             Trace.traceEnd(Trace.TRACE_TAG_POWER);
         }
     }
+    // get current app
+    public static String getForegroundPackageName(Context context) {
+        Calendar calendar = Calendar.getInstance();
+        final long end = calendar.getTimeInMillis();
+        calendar.add(Calendar.MONTH, -1);
+        final long start = calendar.getTimeInMillis();
+        UsageStatsManager usageStatsManager = (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
+        UsageEvents usageEvents = usageStatsManager.queryEvents(start, end);
+        UsageEvents.Event event = new UsageEvents.Event();
+        String packageName = null;
+        while (usageEvents.hasNextEvent()) {
+            usageEvents.getNextEvent(event);
+            if (event.getEventType() == UsageEvents.Event.ACTIVITY_RESUMED) {
+                packageName = event.getPackageName();
+            }
+        }
+        return packageName;
+    }
 
     /**
      * Check profile timeouts and notify profiles that should be locked.
@@ -2294,6 +2317,12 @@ public final class PowerManagerService extends SystemService
                         if (now < nextTimeout) {
                             mUserActivitySummary = USER_ACTIVITY_SCREEN_DIM;
                         }
+                        // com.cw.update
+                        String packageName2 = getForegroundPackageName(mContext);
+                        if( "com.cw.update".equals(packageName2)){
+                             android.util.Log.d(TAG, "if ture ,so Timeout not work com.cw.update.......");
+                             mUserActivitySummary = USER_ACTIVITY_SCREEN_BRIGHT;
+                        }
                     }
                 }
                 if (mUserActivitySummary == 0