Disabling som attributes so that dependencies can use compat libraries

Bug: 27101533
Change-Id: I18de77cffbbb234f25fb85dfe0334ed7fe113a74
diff --git a/src/com/android/launcher3/PreloadIconDrawable.java b/src/com/android/launcher3/PreloadIconDrawable.java
index 908c8b9..a31ae0b 100644
--- a/src/com/android/launcher3/PreloadIconDrawable.java
+++ b/src/com/android/launcher3/PreloadIconDrawable.java
@@ -60,7 +60,7 @@
 
     public void applyPreloaderTheme(Theme t) {
         TypedArray ta = t.obtainStyledAttributes(R.styleable.PreloadIconDrawable);
-        mBgDrawable = ta.getDrawable(R.styleable.PreloadIconDrawable_background);
+        mBgDrawable = ta.getDrawable(R.styleable.PreloadIconDrawable_ringBackground);
         mBgDrawable.setFilterBitmap(true);
         mPaint.setStrokeWidth(ta.getDimension(R.styleable.PreloadIconDrawable_indicatorSize, 0));
         mRingOutset = ta.getDimensionPixelSize(R.styleable.PreloadIconDrawable_ringOutset, 0);