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

runtime/bin/directory_android.cc

Index: runtime/bin/directory_android.cc
diff --git a/runtime/bin/directory_android.cc b/runtime/bin/directory_android.cc
index 0b55bb86b2059679bce8a094e596b77965ffde20..5d2464902b28456861fb878f739cf4b2f5c7f8d3 100644
--- a/runtime/bin/directory_android.cc
+++ b/runtime/bin/directory_android.cc
@@ -244,7 +244,10 @@ 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;
   }