Revert "Update for Android Support libs v25.3.1"

This reverts commit 0009d31.

Author: kiall

app/build.gradle

@@ -74,9 +74,9 @@ dependencies {
     compile fileTree(include: ['*.jar'], dir: 'libs')
     // Used for testing local libvlc builds
 //    compile(name: 'vlc-android-sdk-release', ext: 'aar')
-    compile 'com.android.support:support-v4:25.3.1'
-    compile 'com.android.support:leanback-v17:25.3.1'
-    compile 'com.android.support:preference-leanback-v17:25.3.1'
+    compile 'com.android.support:support-v4:25.3.0'
+    compile 'com.android.support:leanback-v17:25.3.0'
+    compile 'com.android.support:preference-leanback-v17:25.3.0'
     compile 'com.google.android.exoplayer:exoplayer:r2.3.0k1'
     compile 'com.google.android.exoplayer:extension-ffmpeg:r2.3.0k1'
     // Used for testing local exoplayer builds