Fix support lib compilation. DO NOT MERGE.

Change-Id: I8fff3881cb4aee20c568f4678e6ee007d179054d
diff --git a/v4/java/android/support/v4/media/session/MediaSessionCompat.java b/v4/java/android/support/v4/media/session/MediaSessionCompat.java
index 8f11ef4..eb30dc7 100644
--- a/v4/java/android/support/v4/media/session/MediaSessionCompat.java
+++ b/v4/java/android/support/v4/media/session/MediaSessionCompat.java
@@ -1776,10 +1776,10 @@
                         mCallback.onCommand(cmd.command, cmd.extras, cmd.stub);
                         break;
                     case MSG_ADJUST_VOLUME:
-                        adjustVolume((int) msg.obj, 0);
+                        adjustVolume((Integer) msg.obj, 0);
                         break;
                     case MSG_SET_VOLUME:
-                        setVolumeTo((int) msg.obj, 0);
+                        setVolumeTo((Integer) msg.obj, 0);
                         break;
                 }
             }
diff --git a/v7/palette/build.gradle b/v7/palette/build.gradle
index 512aa6f..f502fdd 100644
--- a/v7/palette/build.gradle
+++ b/v7/palette/build.gradle
@@ -8,7 +8,6 @@
 
 android {
     compileSdkVersion 7
-    buildToolsVersion "19.0.1"
 
     defaultConfig {
         minSdkVersion 7