Import 'regex' package vesion 1.3.6

* Add OWNERS
* No Android.bp yet
Bug: 152884384
Test: make

Change-Id: I455caf7833b6c437c1c133bc7b2f47b83da9cbce
diff --git a/tests/misc.rs b/tests/misc.rs
new file mode 100644
index 0000000..314811e
--- /dev/null
+++ b/tests/misc.rs
@@ -0,0 +1,4 @@
+mat!(prefix_literal_match, r"^abc", r"abc", Some((0, 3)));
+mat!(prefix_literal_nomatch, r"^abc", r"zabc", None);
+mat!(one_literal_edge, r"abc", r"xxxxxab", None);
+matiter!(terminates, r"a$", r"a", (0, 1));