Grant prohr ownership of ethernet tests

Test: N/A
Change-Id: I50101f9e5dc4dede5732a31da4ecd53d027adedc
diff --git a/tests/cts/OWNERS b/tests/cts/OWNERS
index 286f9c8..cb4ca59 100644
--- a/tests/cts/OWNERS
+++ b/tests/cts/OWNERS
@@ -5,3 +5,8 @@
 
 # IPsec
 per-file **IpSec* = benedictwong@google.com, nharold@google.com
+
+# For incremental changes on EthernetManagerTest to increase coverage for existing behavior and for
+# testing bug fixes.
+per-file net/src/android/net/cts/EthernetManagerTest.kt = prohr@google.com #{LAST_RESORT_SUGGESTION}
+