Get ProcessStats callable from other processes.

Also fix a bug where, when parceling the stats, we were
computing the final duration values too late.  We need to
do that before we write the long table.

Change-Id: Idb6c1ed95417448c56973fe5866bfb3570e525f4

core/java/com/android/internal/app/ProcessMap.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.app;
+
+import android.util.ArrayMap;
+import android.util.SparseArray;
+
+public class ProcessMap<E> {
+    final ArrayMap<String, SparseArray<E>> mMap
+            = new ArrayMap<String, SparseArray<E>>();
+    
+    public E get(String name, int uid) {
+        SparseArray<E> uids = mMap.get(name);
+        if (uids == null) return null;
+        return uids.get(uid);
+    }
+    
+    public E put(String name, int uid, E value) {
+        SparseArray<E> uids = mMap.get(name);
+        if (uids == null) {
+            uids = new SparseArray<E>(2);
+            mMap.put(name, uids);
+        }
+        uids.put(uid, value);
+        return value;
+    }
+    
+    public void remove(String name, int uid) {
+        SparseArray<E> uids = mMap.get(name);
+        if (uids != null) {
+            uids.remove(uid);
+            if (uids.size() == 0) {
+                mMap.remove(name);
+            }
+        }
+    }
+    
+    public ArrayMap<String, SparseArray<E>> getMap() {
+        return mMap;
+    }
+}