modemmanager-next: Update owners

BUG=None
TEST=None

Change-Id: I0415c13389176383621868f8d8b3ffbabfdf0acc
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/modemmanager-next/+/3340677
Tested-by: Madhav <madhavadas@google.com>
Auto-Submit: Madhav <madhavadas@google.com>
Reviewed-by: Eric Caruso <ejcaruso@chromium.org>
Commit-Queue: Madhav <madhavadas@google.com>
diff --git a/OWNERS b/OWNERS
index 9df7ded..3f3efb9 100644
--- a/OWNERS
+++ b/OWNERS
@@ -3,3 +3,4 @@
 pholla@chromium.org
 andrewlassalle@chromium.org
 madhavadas@google.com
+nmarupaka@google.com