Move tools and adt to 16

Change-Id: I79ae1bff5086146cc60b4496f4b0464ffd642651
diff --git a/files/tools_source.properties b/files/tools_source.properties
index 1fac991..7545316 100644
--- a/files/tools_source.properties
+++ b/files/tools_source.properties
@@ -1,3 +1,3 @@
 Pkg.UserSrc=false
-Pkg.Revision=14
-Platform.MinPlatformToolsRev=8
+Pkg.Revision=16
+Platform.MinPlatformToolsRev=9