Moves merge scripts into a new merge folder.

This will be used in the following change to split
merge_target_files into a collection of smaller
more-focused scripts.

Bug: 221858722
Test: m otatools; Use to create merged builds
Change-Id: Ie01dac81c5f9f28f1e0fe037259eabd2478e60b6
diff --git a/tools/releasetools/merge/OWNERS b/tools/releasetools/merge/OWNERS
new file mode 100644
index 0000000..9012e3a
--- /dev/null
+++ b/tools/releasetools/merge/OWNERS
@@ -0,0 +1,3 @@
+danielnorman@google.com
+jgalmes@google.com
+rseymour@google.com