Add Android fingerprint to metrics logs

base/sys_info_posix.cc

Index: base/sys_info_posix.cc
diff --git a/base/sys_info_posix.cc b/base/sys_info_posix.cc
index 73a71086362ca33e60230a50f624e9fe43593a09..3419cf23da41d35ea14882de6c83401cb6631295 100644
--- a/base/sys_info_posix.cc
+++ b/base/sys_info_posix.cc
@@ -50,7 +50,7 @@ int64 SysInfo::AmountOfFreeDiskSpace(const FilePath& path) {
   return static_cast<int64>(stats.f_bavail) * stats.f_frsize;
 }
 
-#if !defined(OS_MACOSX)
+#if !defined(OS_MACOSX) && !defined(OS_ANDROID)
 // static
 std::string SysInfo::OperatingSystemName() {
   struct utsname info;
@@ -60,7 +60,9 @@ std::string SysInfo::OperatingSystemName() {
   }
   return std::string(info.sysname);
 }
+#endif
 
+#if !defined(OS_MACOSX)
 // static
 std::string SysInfo::OperatingSystemVersion() {
   struct utsname info;