Fixing Intrinsic dimensions of FastBitmapDrawable

> This was changed initially to allow overriding icon size in case
of PreloadIconDrawable. But the implementation of PreloadIconDrawable
has changed since then and this hack is no longer required.

issue: 15545872
Change-Id: I192056179837f05c5be9e24c3e1251cf7e2a7c8c
diff --git a/src/com/android/launcher3/FastBitmapDrawable.java b/src/com/android/launcher3/FastBitmapDrawable.java
index 7c9e77e..ff02bbb 100644
--- a/src/com/android/launcher3/FastBitmapDrawable.java
+++ b/src/com/android/launcher3/FastBitmapDrawable.java
@@ -113,12 +113,12 @@
 
     @Override
     public int getIntrinsicWidth() {
-        return getBounds().width();
+        return mBitmap.getWidth();
     }
 
     @Override
     public int getIntrinsicHeight() {
-        return getBounds().height();
+        return mBitmap.getHeight();
     }
 
     @Override