Add ryanmentley@ and aelias@ to OWNERS for libraries owned by Toolkit core UI team

Suggested by aelias@.  This is all non-Compose libraries owned by only
aelias@ on go/androidx/owners.md

Test: N/A
Change-Id: I9d989462ec949062d78eccf1942685b345db4cae
diff --git a/cursoradapter/OWNERS b/cursoradapter/OWNERS
new file mode 100644
index 0000000..347e71c
--- /dev/null
+++ b/cursoradapter/OWNERS
@@ -0,0 +1,2 @@
[email protected]
[email protected]