Fix crash when the progress of an installing app decreases
am: 879037d86a

Change-Id: I247f46fbb0fbb1c3b1b86d0171fc2fcf55dda215
diff --git a/src/com/android/launcher3/graphics/PreloadIconDrawable.java b/src/com/android/launcher3/graphics/PreloadIconDrawable.java
index 3514a37..22ce098 100644
--- a/src/com/android/launcher3/graphics/PreloadIconDrawable.java
+++ b/src/com/android/launcher3/graphics/PreloadIconDrawable.java
@@ -217,6 +217,9 @@
         if (Float.compare(finalProgress, mInternalStateProgress) == 0) {
             return;
         }
+        if (finalProgress < mInternalStateProgress) {
+            shouldAnimate = false;
+        }
         if (!shouldAnimate || mRanFinishAnimation) {
             setInternalProgress(finalProgress);
         } else {