Fix zen panel theming

The theme of the panel might be different than sysui now, so it
needs to use the right context.

Test: visual
Change-Id: Ic647421113f6721e63e69afc2b9c5d6c5b0e86f2
Fixes: 63530105

packages/SystemUI/src/com/android/systemui/volume/ZenModePanel.java

@@ -144,7 +144,7 @@ public class ZenModePanel extends FrameLayout {
         super(context, attrs);
         mContext = context;
         mPrefs = new ZenPrefs();
-        mInflater = LayoutInflater.from(mContext.getApplicationContext());
+        mInflater = LayoutInflater.from(mContext);
         mForeverId = Condition.newId(mContext).appendPath("forever").build();
         mConfigurableTexts = new ConfigurableTexts(mContext);
         mVoiceCapable = Util.isVoiceCapable(mContext);