Break apart oat writing times.

Change-Id: I11045e29dc58ed1efbd19070ec1dcafc1044c95a
diff --git a/compiler/oat_writer.h b/compiler/oat_writer.h
index 5d947cf..64275e6 100644
--- a/compiler/oat_writer.h
+++ b/compiler/oat_writer.h
@@ -67,7 +67,8 @@
             uint32_t image_file_location_oat_checksum,
             uint32_t image_file_location_oat_begin,
             const std::string& image_file_location,
-            const CompilerDriver* compiler);
+            const CompilerDriver* compiler,
+            TimingLogger* timings);
 
   const OatHeader& GetOatHeader() const {
     return *oat_header_;