Add Android fingerprint to metrics logs

chrome/browser/metrics/metrics_log.cc

Index: chrome/browser/metrics/metrics_log.cc
diff --git a/chrome/browser/metrics/metrics_log.cc b/chrome/browser/metrics/metrics_log.cc
index 2771aa9f077ce10addf5e1884d457f4991ee50fe..40c10f5a5806016a664b905d51cf03e86feef44c 100644
--- a/chrome/browser/metrics/metrics_log.cc
+++ b/chrome/browser/metrics/metrics_log.cc
@@ -45,6 +45,10 @@
 #include "ui/gfx/screen.h"
 #include "webkit/plugins/webplugininfo.h"
 
+#if defined(OS_ANDROID)
+#include "base/android/build_info.h"
+#endif
+
 #define OPEN_ELEMENT_FOR_SCOPE(name) ScopedElement scoped_element(this, name)
 
 #if defined(OS_WIN)
@@ -778,6 +782,10 @@ void MetricsLog::RecordEnvironmentProto(
 #endif
   os->set_name(os_name);
   os->set_version(base::SysInfo::OperatingSystemVersion());
+#if defined(OS_ANDROID)
+  os->set_fingerprint(
+      base::android::BuildInfo::GetInstance()->android_build_fp());
+#endif
 
   const content::GPUInfo& gpu_info =
       GpuDataManager::GetInstance()->GetGPUInfo();