Not call refreshStats() in setDuration()

refreshStats() needs to be called on worker thread, and all usage places
call refreshStats() after setDuration().

So no need to call refreshStats() in setDuration(), this also prevent
ANRs.

Fix: 241167275
Test: manual - on dev options
Change-Id: I8f4ad57c3843f14f6baee1d06d29eea1341509f1

src/com/android/settings/applications/ProcStatsData.java

@@ -29,6 +29,8 @@ import android.util.Log;
 import android.util.LongSparseArray;
 import android.util.SparseArray;
 
+import androidx.annotation.WorkerThread;
+
 import com.android.internal.app.ProcessMap;
 import com.android.internal.app.procstats.DumpUtils;
 import com.android.internal.app.procstats.IProcessStats;
@@ -85,24 +87,10 @@ public class ProcStatsData {
         }
     }
 
-    public void setTotalTime(int totalTime) {
-        memTotalTime = totalTime;
-    }
-
     public void xferStats() {
         sStatsXfer = mStats;
     }
 
-    public void setMemStates(int[] memStates) {
-        mMemStates = memStates;
-        refreshStats(false);
-    }
-
-    public void setStats(int[] stats) {
-        this.mStates = stats;
-        refreshStats(false);
-    }
-
     public int getMemState() {
         int factor = mStats.mMemFactor;
         if (factor == ProcessStats.ADJ_NOTHING) {
@@ -118,15 +106,13 @@ public class ProcStatsData {
         return mMemInfo;
     }
 
-    public long getElapsedTime() {
+    /**
-        return mStats.mTimePeriodEndRealtime - mStats.mTimePeriodStartRealtime;
+     * Sets the duration.
-    }
+     *
-
+     * <p>Note: {@link #refreshStats(boolean)} needs to called manually to take effect.
+     */
     public void setDuration(long duration) {
-        if (duration != mDuration) {
         mDuration = duration;
-            refreshStats(true);
-        }
     }
 
     public long getDuration() {
@@ -137,6 +123,12 @@ public class ProcStatsData {
         return pkgEntries;
     }
 
+    /**
+     * Refreshes the stats.
+     *
+     * <p>Note: This needs to be called manually to take effect.
+     */
+    @WorkerThread
     public void refreshStats(boolean forceLoad) {
         if (mStats == null || forceLoad) {
             load();