Update OWNERS to be more specific

Still to do ... media/OWNERS

Test: Gerrit works as expected
Change-Id: I2645175569b579764d0298641287e56bfabeab9f
diff --git a/tools/resampler_tools/OWNERS b/tools/resampler_tools/OWNERS
new file mode 100644
index 0000000..b4a6798
--- /dev/null
+++ b/tools/resampler_tools/OWNERS
@@ -0,0 +1 @@
+hunga@google.com