[owners] Add OWNERs files to cppdap

Bug: 77851
Change-Id: I7539e691e3cb95129a0bc84ee6dbc13f4575befe
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/github.com/google/cppdap/+/537482
Reviewed-by: Brett Wilson <brettw@google.com>

OWNERS

diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..d599829
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,5 @@
+puneetha@google.com
+brettw@google.com
+dangyi@google.com
+
+# COMPONENT: Tools>zxdb