Make opendir test for EINTR again and make NO_RETRY_EXPECTED check in release mode.

runtime/bin/directory_linux.cc

Index: runtime/bin/directory_linux.cc
diff --git a/runtime/bin/directory_linux.cc b/runtime/bin/directory_linux.cc
index e3055b9dd6c2cc44c2d59869029cf42a2c2dea31..99dc1c6c236a8108416acd4bce024649cab0f3d5 100644
--- a/runtime/bin/directory_linux.cc
+++ b/runtime/bin/directory_linux.cc
@@ -245,7 +245,10 @@ static bool DeleteRecursively(PathBuffer* path) {
 
   // Not a link. Attempt to open as a directory and recurse into the
   // directory.
-  DIR* dir_pointer = opendir(path->AsString());
+  DIR* dir_pointer;
+  do {
+    dir_pointer = opendir(path->AsString());
+  } while (dir_pointer == NULL && errno == EINTR);
   if (dir_pointer == NULL) {
     return false;
   }