Remove uses of SkBitmap::copyTo

This API is being deleted:
skbug.com/6464

Test: Refactor

Change-Id: Id78653ca45d6bfee2e4f9c9c24c2414b888f0df5
diff --git a/libs/input/SpriteController.cpp b/libs/input/SpriteController.cpp
index 8613a3b..ed31b12 100644
--- a/libs/input/SpriteController.cpp
+++ b/libs/input/SpriteController.cpp
@@ -405,7 +405,11 @@
 
     uint32_t dirty;
     if (icon.isValid()) {
-        icon.bitmap.copyTo(&mLocked.state.icon.bitmap, kN32_SkColorType);
+        SkBitmap* bitmapCopy = &mLocked.state.icon.bitmap;
+        if (bitmapCopy->tryAllocPixels(icon.bitmap.info().makeColorType(kN32_SkColorType))) {
+            icon.bitmap.readPixels(bitmapCopy->info(), bitmapCopy->getPixels(),
+                    bitmapCopy->rowBytes(), 0, 0);
+        }
 
         if (!mLocked.state.icon.isValid()
                 || mLocked.state.icon.hotSpotX != icon.hotSpotX