Temporarily add set_mmap_rnd_bits brillo exception

Bug: 27794137
Change-Id: Idc6fc1e208bdb19556173d40215feb66e235c6d6
diff --git a/init/init.cpp b/init/init.cpp
index b24d839..7312d97 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -373,6 +373,11 @@
 #else
     ERROR("Unknown architecture\n");
 #endif
+
+#ifdef __BRILLO__
+    // TODO: b/27794137
+    ret = 0;
+#endif
     if (ret == -1) {
         ERROR("Unable to set adequate mmap entropy value!\n");
         security_failure();