Add GNSS AIDL interfaces (hardware/interfaces)

Bug: 159467682
Test: atest VtsHalGnssTargetTest
Change-Id: I75c5599f2e0698f833e2d36ac53d460f4f0c3bb4
diff --git a/gnss/aidl/OWNERS b/gnss/aidl/OWNERS
new file mode 100644
index 0000000..b7b4a2e
--- /dev/null
+++ b/gnss/aidl/OWNERS
@@ -0,0 +1,4 @@
+gomo@google.com
+smalkos@google.com
+wyattriley@google.com
+yuhany@google.com