Guard aginast O for checking AdaptiveIconDrawable b/37952598 am: 8f4a3963b0

Change-Id: I376dd5c29e5a8c1af0b9dc25c8dfe47b50214112
diff --git a/src/com/android/launcher3/graphics/LauncherIcons.java b/src/com/android/launcher3/graphics/LauncherIcons.java
index 746a639..53521f2 100644
--- a/src/com/android/launcher3/graphics/LauncherIcons.java
+++ b/src/com/android/launcher3/graphics/LauncherIcons.java
@@ -265,7 +265,7 @@
             final int top = (textureHeight-height) / 2;
 
             sOldBounds.set(icon.getBounds());
-            if (icon instanceof AdaptiveIconDrawable) {
+            if (Utilities.isAtLeastO() && icon instanceof AdaptiveIconDrawable) {
                 int offset = Math.min(left, top);
                 int size = Math.max(width, height);
                 icon.setBounds(offset, offset, offset + size, offset + size);