Close connection before retrying

Otherwise the (CTS) server might run out of connections.
Bug: 38391487
Bug: 22771132
Test: build, run CTS, stream music

Change-Id: I92c782a6799ab36eec8df3f7c3217bea667b838a
(cherry picked from commit 46132afee7783665ae12538edd024770dbd93ecb)

media/java/android/media/MediaHTTPConnection.java

diff --git a/media/java/android/media/MediaHTTPConnection.java b/media/java/android/media/MediaHTTPConnection.java
index d6bf421..dda5ce6 100644
--- a/media/java/android/media/MediaHTTPConnection.java
+++ b/media/java/android/media/MediaHTTPConnection.java
@@ -135,7 +135,13 @@
 
     private void teardownConnection() {
         if (mConnection != null) {
-            mInputStream = null;
+            if (mInputStream != null) {
+                try {
+                    mInputStream.close();
+                } catch (IOException e) {
+                }
+                mInputStream = null;
+            }
 
             mConnection.disconnect();
             mConnection = null;
@@ -297,8 +303,7 @@
             mCurrentOffset = offset;
         } catch (IOException e) {
             mTotalSize = -1;
-            mInputStream = null;
-            mConnection = null;
+            teardownConnection();
             mCurrentOffset = -1;
 
             throw e;