Change how SkDebugf is sent to stdout on Android.

tools/AndroidSkDebugToStdOut.cpp

+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifdef SK_BUILD_FOR_ANDROID
+extern bool gSkDebugToStdOut;
+
+// Use a static initializer to set gSkDebugToStdOut to true, sending SkDebugf
+// to stdout.
+class SendToStdOut {
+public:
+    SendToStdOut() {
+        gSkDebugToStdOut = true;
+    }
+};
+
+static SendToStdOut gSendToStdOut;
+#endif // SK_BUILD_FOR_ANDROID