Add OWNERS file for frameworks/av/media/mtp

Test: None
Change-Id: I96f55feaf24bb1efa88bce613adc6ca29daba569
diff --git a/media/mtp/OWNERS b/media/mtp/OWNERS
new file mode 100644
index 0000000..219307b
--- /dev/null
+++ b/media/mtp/OWNERS
@@ -0,0 +1 @@
+zhangjerry@google.com