Ignore if the dir we are trying remove doesn't exist.

Fixes: 126208830
Test: manual
Change-Id: I34788ebb2dd42e62ee3061f7d81dc03047048c3b
diff --git a/Utils.cpp b/Utils.cpp
index 6e0fe21..45183ed 100644
--- a/Utils.cpp
+++ b/Utils.cpp
@@ -902,7 +902,7 @@
     if (res < 0) {
         return res;
     }
-    if (rmdir(pathname.c_str()) != 0) {
+    if (TEMP_FAILURE_RETRY(rmdir(pathname.c_str())) < 0 && errno != ENOENT) {
         PLOG(ERROR) << "rmdir failed on " << pathname;
         return -errno;
     }