Build LSAN suppressions into the test binaries.

tools/LsanSuppressions.cpp

Index: tools/LsanSuppressions.cpp
diff --git a/tools/LsanSuppressions.cpp b/tools/LsanSuppressions.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c81184f3b0322849fa8cb0253657e48f56f63da4
--- /dev/null
+++ b/tools/LsanSuppressions.cpp
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkTypes.h"
+
+#if !defined(__has_feature)
+    #define __has_feature(x) 0
+#endif
+
+#if __has_feature(address_sanitizer)
+
+extern "C" {
+
+    const char* __lsan_default_suppressions();
+    const char* __lsan_default_suppressions() {
+        return "leak:libfontconfig\n"    // FontConfig looks like it leaks, but it doesn't.
+               "leak:libGL.so\n"         // For NVidia driver.
+               "leak:__strdup\n"         // An eternal mystery, skia:2916.
+               ;
+    }
+
+}
+
+#endif