These are not ready to be exposed.  Also rename them to be better.

Change-Id: I7c234144497084b7769f8c46761b7d74d1c583d5
diff --git a/api/current.xml b/api/current.xml
index f7a5954..3d91a7e 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -21704,17 +21704,6 @@
  visibility="public"
 >
 </field>
-<field name="FLAG_HEAVY_WEIGHT"
- type="int"
- transient="false"
- volatile="false"
- value="1"
- static="true"
- final="true"
- deprecated="not deprecated"
- visibility="public"
->
-</field>
 <field name="IMPORTANCE_BACKGROUND"
  type="int"
  transient="false"
@@ -21825,16 +21814,6 @@
  visibility="public"
 >
 </field>
-<field name="flags"
- type="int"
- transient="false"
- volatile="false"
- static="false"
- final="false"
- deprecated="not deprecated"
- visibility="public"
->
-</field>
 <field name="importance"
  type="int"
  transient="false"
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index d5741fc..4736404 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -755,14 +755,17 @@
         public String pkgList[];
         
         /**
-         * Constant for {@link #flags}: this is a heavy-weight process,
-         * meaning it will not be killed while in the background.
+         * Constant for {@link #flags}: this is an app that is unable to
+         * correctly save its state when going to the background,
+         * so it can not be killed while in the background.
+         * @hide
          */
-        public static final int FLAG_HEAVY_WEIGHT = 1<<0;
+        public static final int FLAG_CANT_SAVE_STATE = 1<<0;
         
         /**
          * Flags of information.  May be any of
-         * {@link #FLAG_HEAVY_WEIGHT}.
+         * {@link #FLAG_CANT_SAVE_STATE}.
+         * @hide
          */
         public int flags;
         
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index 30dc5ea..89a1627 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -6801,7 +6801,7 @@
                                 app.pid, app.getPackageList());
                     currApp.uid = app.info.uid;
                     if (mHeavyWeightProcess == app) {
-                        currApp.flags |= ActivityManager.RunningAppProcessInfo.FLAG_HEAVY_WEIGHT;
+                        currApp.flags |= ActivityManager.RunningAppProcessInfo.FLAG_CANT_SAVE_STATE;
                     }
                     int adj = app.curAdj;
                     if (adj >= EMPTY_APP_ADJ) {