UI : fix mini-player shadow previous commit

vlc-android/res/drawable/progress_mini_player.xml

@@ -2,7 +2,7 @@
 
     <item android:id="@android:id/background">
         <shape>
-            <solid android:color="?attr/background_default" />
+            <solid android:color="@color/grey50" />
         </shape>
     </item>
     <item android:id="@android:id/progress">

vlc-android/res/drawable/progress_mini_player_dark.xml

+<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <item android:id="@android:id/background">
+        <shape>
+            <solid android:color="@color/grey850" />
+        </shape>
+    </item>
+    <item android:id="@android:id/progress">
+        <clip>
+            <shape>
+                <solid android:color="@color/orange500" />
+            </shape>
+        </clip>
+    </item>
+
+</layer-list>
\ No newline at end of file

vlc-android/res/layout/audio_player.xml

@@ -15,7 +15,7 @@
         android:minHeight="2dip"
         android:paddingLeft="0px"
         android:paddingRight="0px"
-        android:progressDrawable="@drawable/progress_mini_player" />
+        android:progressDrawable="?attr/progress_mini_player" />
 
     <LinearLayout
         android:id="@+id/header"

vlc-android/res/values/attrs.xml

@@ -60,6 +60,7 @@
     <attr name="ic_trash_small_normal" format="reference" />
     <attr name="gridview_progressbar" format="reference" />
     <attr name="toolbar_popup_style" format="reference" />
+    <attr name="progress_mini_player" format="reference" />
 
     <attr name="shadow_top_9patch" format="reference"/>
     <attr name="shadow_bottom_9patch" format="reference"/>

vlc-android/res/values/styles.xml

@@ -68,6 +68,7 @@
         <item name="shadow_top_9patch">@drawable/shadow_top</item>
         <item name="shadow_bottom_9patch">@drawable/shadow_bottom</item>
         <item name="gridview_progressbar">@drawable/gridview_progressbar_w</item>
+        <item name="progress_mini_player">@drawable/progress_mini_player</item>
         <item name="advanced_options_style">@style/Theme.VLC.AdvancedOptionsLight</item>
     </style>
 
@@ -138,6 +139,7 @@
         <item name="shadow_top_9patch">@drawable/shadow_top_dark</item>
         <item name="shadow_bottom_9patch">@drawable/shadow_bottom_dark</item>
         <item name="gridview_progressbar">@drawable/gridview_progressbar</item>
+        <item name="progress_mini_player">@drawable/progress_mini_player_dark</item>
         <item name="advanced_options_style">@style/Theme.VLC.AdvancedOptionsBlack</item>
     </style>