add OWNER for protos directory

Test: NA
Bug: NA
Change-Id: I985a4918d7bac938dc843c8cdce1f139b5449609
diff --git a/src/com/android/settings/fuelgauge/protos/OWNERS b/src/com/android/settings/fuelgauge/protos/OWNERS
new file mode 100644
index 0000000..b861481c
--- /dev/null
+++ b/src/com/android/settings/fuelgauge/protos/OWNERS
@@ -0,0 +1,3 @@
+clairewang@google.com
+xuezaiyue@google.com
+ykhung@google.com
\ No newline at end of file