Fix android compilation by copying process_linux.cc to process_android.cc.

runtime/bin/process_linux.cc

Index: runtime/bin/process_linux.cc
diff --git a/runtime/bin/process_linux.cc b/runtime/bin/process_linux.cc
index 5e7e838cba95739646e9f80cd3b24d531d0a5d33..3ab2072d8912aac7ad3819148c33329f6fb43e9b 100644
--- a/runtime/bin/process_linux.cc
+++ b/runtime/bin/process_linux.cc
@@ -333,9 +333,8 @@ int Process::Start(const char* path,
   bool initialized = ExitCodeHandler::EnsureInitialized();
   if (!initialized) {
     SetChildOsErrorMessage(os_error_message);
-    Log::PrintErr(
-            "Error initializing exit code handler: %s\n",
-            *os_error_message);
+    Log::PrintErr("Error initializing exit code handler: %s\n",
+                  *os_error_message);
     return errno;
   }