rk3399 7.1 系统修改系统默认多媒体音量值

diff --git a/media/java/android/media/AudioSystem.java b/media/java/android/media/AudioSystem.java
old mode 100644
new mode 100755
index f597440..d4a88eb
--- a/media/java/android/media/AudioSystem.java
+++ b/media/java/android/media/AudioSystem.java
@@ -765,7 +765,7 @@ public class AudioSystem
4, // STREAM_VOICE_CALL
7, // STREAM_SYSTEM
5, // STREAM_RING
- 11, // STREAM_MUSIC
+ 15, // STREAM_MUSIC
6, // STREAM_ALARM
5, // STREAM_NOTIFICATION
7, // STREAM_BLUETOOTH_SCO