fix expected size in 32bit builds

tests/PaintTest.cpp

Index: tests/PaintTest.cpp
diff --git a/tests/PaintTest.cpp b/tests/PaintTest.cpp
index 350860cc88b1a688282d2dcb9a921c82f4b20d60..b82aecf5f686be7863222dc81c9deb998588bb21 100644
--- a/tests/PaintTest.cpp
+++ b/tests/PaintTest.cpp
@@ -325,7 +325,7 @@ DEF_TEST(Paint_FlatteningTraits, r) {
 
     SkWriteBuffer writer;
     SkPaint::FlatteningTraits::Flatten(writer, paint);
-    const size_t expectedBytesWritten = sizeof(void*) == 8 ? 36 : 28;
+    const size_t expectedBytesWritten = sizeof(void*) == 8 ? 36 : 32;
     ASSERT(expectedBytesWritten == writer.bytesWritten());
 
     const uint32_t* written = writer.getWriter32()->contiguousArray();