audio service fix dock after crash - DO NOT MERGE

merge from master:
"audio service: set dock use on mediaserver restart

Restore forced usage of dock audio for media according to
current setting when media server restarts."

Bug 7485250.

Change-Id: Ie67b80ede1ed92d223dd96de83c1beb985dfba06

Author: Eric Laurent

media/java/android/media/AudioService.java

@@ -3324,6 +3324,13 @@ public void handleMessage(Message msg) {
                                 mBluetoothA2dpEnabled ?
                                         AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP);
                     }
+
+                    synchronized (mSettingsLock) {
+                        AudioSystem.setForceUse(AudioSystem.FOR_DOCK,
+                                mDockAudioMediaEnabled ?
+                                        AudioSystem.FORCE_ANALOG_DOCK : AudioSystem.FORCE_NONE);
+                    }
+
                     // indicate the end of reconfiguration phase to audio HAL
                     AudioSystem.setParameters("restarting=false");
                     break;