am f13d4501: Send "compilation" tag when inserting into the database. It\'s not actually inserted into the database, but the media provider uses it for disambiguating albums. b/3311831

* commit 'f13d4501396aa1679004ad07d440f65ced3ecc2b':
  Send "compilation" tag when inserting into the database. It's not actually inserted into the database, but the media provider uses it for disambiguating albums. b/3311831

media/java/android/media/MediaScanner.java

@@ -402,6 +402,7 @@ public class MediaScanner
         private long mLastModified;
         private long mFileSize;
         private String mWriter;
+        private int mCompilation;
 
         public FileCacheEntry beginFile(String path, String mimeType, long lastModified, long fileSize) {
 
@@ -486,6 +487,7 @@ public class MediaScanner
             mPath = path;
             mLastModified = lastModified;
             mWriter = null;
+            mCompilation = 0;
 
             return entry;
         }
@@ -596,6 +598,8 @@ public class MediaScanner
                 mDuration = parseSubstring(value, 0, 0);
             } else if (name.equalsIgnoreCase("writer") || name.startsWith("writer;")) {
                 mWriter = value.trim();
+            } else if (name.equalsIgnoreCase("compilation")) {
+                mCompilation = parseSubstring(value, 0, 0);
             }
         }
 
@@ -646,6 +650,7 @@ public class MediaScanner
                 }
                 map.put(Audio.Media.TRACK, mTrack);
                 map.put(Audio.Media.DURATION, mDuration);
+                map.put(Audio.Media.COMPILATION, mCompilation);
             }
             return map;
         }