Update prebuilts to go 1.13

From https://ci.android.com/builds/submitted/5859978/linux/latest/go.zip

Test: m blueprint_tools
Change-Id: Ief07b24cffce02195326d627f28ba879e8f14f6b
diff --git a/AUTHORS b/AUTHORS
index 8b8105b..b2a6b3f 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -928,6 +928,7 @@
 Maxime de Roucy <maxime.deroucy@gmail.com>
 Máximo Cuadros Ortiz <mcuadros@gmail.com>
 Maxwell Krohn <themax@gmail.com>
+Maya Rashish <maya@netbsd.org>
 Mayank Kumar <krmayankk@gmail.com>
 MediaMath, Inc
 Meir Fischer <meirfischer@gmail.com>