Convert SkWriter32 to use an SkTDArray for its internal storage.

tests/AndroidPaintTest.cpp

Index: tests/AndroidPaintTest.cpp
diff --git a/tests/AndroidPaintTest.cpp b/tests/AndroidPaintTest.cpp
index a638da9351ebc44f8db8ba6fc1c939089e3dd861..0f6c1e9a96adaa7de4cd1653f11de639bb79e14c 100644
--- a/tests/AndroidPaintTest.cpp
+++ b/tests/AndroidPaintTest.cpp
@@ -9,7 +9,7 @@
 #include "TestClassDef.h"
 
 static size_t Reconstruct(const SkPaint& src, SkPaint* dst) {
-    SkOrderedWriteBuffer writer(64 /*arbitrary*/);
+    SkOrderedWriteBuffer writer;
     src.flatten(writer);
 
     const size_t size = writer.bytesWritten();