Merge changes from topic "bugfix_content_path"

* changes:
  Add OEM_SOUNDS_DIR variable
  Fix the bug that secondary storage path is judged as internal
  Revert "MediaStore.Audio.Media.getContentUriForPath() returns unexpected content"
diff --git a/core/java/android/provider/MediaStore.java b/core/java/android/provider/MediaStore.java
index 149f2b4..dd011a0 100644
--- a/core/java/android/provider/MediaStore.java
+++ b/core/java/android/provider/MediaStore.java
@@ -1444,18 +1444,6 @@
         }
 
         public static final class Media implements AudioColumns {
-
-            private static final String[] EXTERNAL_PATHS;
-
-            static {
-                String secondary_storage = System.getenv("SECONDARY_STORAGE");
-                if (secondary_storage != null) {
-                    EXTERNAL_PATHS = secondary_storage.split(":");
-                } else {
-                    EXTERNAL_PATHS = new String[0];
-                }
-            }
-
             /**
              * Get the content:// style URI for the audio media table on the
              * given volume.
@@ -1469,14 +1457,9 @@
             }
 
             public static Uri getContentUriForPath(String path) {
-                for (String ep : EXTERNAL_PATHS) {
-                    if (path.startsWith(ep)) {
-                        return EXTERNAL_CONTENT_URI;
-                    }
-                }
-
-                return (path.startsWith(Environment.getExternalStorageDirectory().getPath()) ?
-                        EXTERNAL_CONTENT_URI : INTERNAL_CONTENT_URI);
+                return (path.startsWith(
+                        Environment.getStorageDirectory().getAbsolutePath() + "/")
+                        ? EXTERNAL_CONTENT_URI : INTERNAL_CONTENT_URI);
             }
 
             /**
diff --git a/media/java/android/media/MediaScanner.java b/media/java/android/media/MediaScanner.java
index 02e1f2f..2eed70f 100644
--- a/media/java/android/media/MediaScanner.java
+++ b/media/java/android/media/MediaScanner.java
@@ -159,8 +159,9 @@
 
     public static final String SCANNED_BUILD_PREFS_NAME = "MediaScanBuild";
     public static final String LAST_INTERNAL_SCAN_FINGERPRINT = "lastScanFingerprint";
-    private static final String SYSTEM_SOUNDS_DIR = "/system/media/audio";
-    private static final String PRODUCT_SOUNDS_DIR = "/product/media/audio";
+    private static final String SYSTEM_SOUNDS_DIR = Environment.getRootDirectory() + "/media/audio";
+    private static final String OEM_SOUNDS_DIR = Environment.getOemDirectory() + "/media/audio";
+    private static final String PRODUCT_SOUNDS_DIR = Environment.getProductDirectory() + "/media/audio";
     private static String sLastInternalScanFingerprint;
 
     private static final String[] ID3_GENRES = {
@@ -1192,6 +1193,9 @@
         if (path.startsWith(SYSTEM_SOUNDS_DIR + ALARMS_DIR)
                 || path.startsWith(SYSTEM_SOUNDS_DIR + RINGTONES_DIR)
                 || path.startsWith(SYSTEM_SOUNDS_DIR + NOTIFICATIONS_DIR)
+                || path.startsWith(OEM_SOUNDS_DIR + ALARMS_DIR)
+                || path.startsWith(OEM_SOUNDS_DIR + RINGTONES_DIR)
+                || path.startsWith(OEM_SOUNDS_DIR + NOTIFICATIONS_DIR)
                 || path.startsWith(PRODUCT_SOUNDS_DIR + ALARMS_DIR)
                 || path.startsWith(PRODUCT_SOUNDS_DIR + RINGTONES_DIR)
                 || path.startsWith(PRODUCT_SOUNDS_DIR + NOTIFICATIONS_DIR)) {