Create "Home" dir instead of "home" to match other default dirs.

Add DIRECTORY_HOME to android.os.Environment...use that for dir name,
    so we don't use a localized name when creating directory.
Mark all of the DIRECTORY_* fields final.

Bug: 26814341
Change-Id: I5a11bcb180674c619de2f5ce9ed598521e60cc25
diff --git a/api/current.txt b/api/current.txt
index 24776c1..e318463 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -28516,6 +28516,7 @@
     field public static java.lang.String DIRECTORY_DCIM;
     field public static java.lang.String DIRECTORY_DOCUMENTS;
     field public static java.lang.String DIRECTORY_DOWNLOADS;
+    field public static java.lang.String DIRECTORY_HOME;
     field public static java.lang.String DIRECTORY_MOVIES;
     field public static java.lang.String DIRECTORY_MUSIC;
     field public static java.lang.String DIRECTORY_NOTIFICATIONS;
diff --git a/api/system-current.txt b/api/system-current.txt
index 2ab45cb..4482592 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -30543,6 +30543,7 @@
     field public static java.lang.String DIRECTORY_DCIM;
     field public static java.lang.String DIRECTORY_DOCUMENTS;
     field public static java.lang.String DIRECTORY_DOWNLOADS;
+    field public static java.lang.String DIRECTORY_HOME;
     field public static java.lang.String DIRECTORY_MOVIES;
     field public static java.lang.String DIRECTORY_MUSIC;
     field public static java.lang.String DIRECTORY_NOTIFICATIONS;
diff --git a/api/test-current.txt b/api/test-current.txt
index 60274d7..3f00224 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -28525,6 +28525,7 @@
     field public static java.lang.String DIRECTORY_DCIM;
     field public static java.lang.String DIRECTORY_DOCUMENTS;
     field public static java.lang.String DIRECTORY_DOWNLOADS;
+    field public static java.lang.String DIRECTORY_HOME;
     field public static java.lang.String DIRECTORY_MOVIES;
     field public static java.lang.String DIRECTORY_MUSIC;
     field public static java.lang.String DIRECTORY_NOTIFICATIONS;
diff --git a/core/java/android/os/Environment.java b/core/java/android/os/Environment.java
index c776ef8..e841dfe 100644
--- a/core/java/android/os/Environment.java
+++ b/core/java/android/os/Environment.java
@@ -479,6 +479,11 @@
     public static String DIRECTORY_DOCUMENTS = "Documents";
 
     /**
+     * Standard directory in which user managed files are stored.
+     */
+    public static String DIRECTORY_HOME = "Home";
+
+    /**
      * List of standard storage directories.
      * <p>
      * Each of its values have its own constant:
@@ -493,6 +498,7 @@
      *   <li>{@link #DIRECTORY_DOWNLOADS}
      *   <li>{@link #DIRECTORY_DCIM}
      *   <li>{@link #DIRECTORY_DOCUMENTS}
+     *   <li>{@link #DIRECTORY_HOME}
      * </ul>
      * @hide
      */
@@ -506,7 +512,8 @@
             DIRECTORY_MOVIES,
             DIRECTORY_DOWNLOADS,
             DIRECTORY_DCIM,
-            DIRECTORY_DOCUMENTS
+            DIRECTORY_DOCUMENTS,
+            DIRECTORY_HOME
     };
 
     /**
diff --git a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
index 1bfc19c..56e5a9b 100644
--- a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
+++ b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
@@ -27,6 +27,7 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.CancellationSignal;
+import android.os.Environment;
 import android.os.FileObserver;
 import android.os.FileUtils;
 import android.os.Handler;
@@ -208,8 +209,10 @@
                 root.flags |= Root.FLAG_SUPPORTS_CREATE;
             }
 
+            // Create the "Home" directory on disk, but don't the localized root.title
+            // since the directories shouldn't be localized.
             root.visiblePath = new File(
-                    primaryVolume.getPathForUser(userId), root.rootId);
+                    primaryVolume.getPathForUser(userId), Environment.DIRECTORY_HOME);
             root.path = new File(
                     primaryVolume.getInternalPathForUser(userId), root.rootId);
             try {