Update version of non-maven support package.

Change-Id: I3a97f458a5ca6a23b4dc04ae0d131488bcd3183d
diff --git a/sdk/support_source.prop_template b/sdk/support_source.prop_template
index 03d6962..45dde3c 100644
--- a/sdk/support_source.prop_template
+++ b/sdk/support_source.prop_template
@@ -1,5 +1,5 @@
 Pkg.UserSrc=false
-Pkg.Revision=${PLATFORM_SDK_VERSION}.1.1
+Pkg.Revision=${PLATFORM_SDK_VERSION}.2.1
 Extra.Vendor=android
 Extra.VendorId=android
 Extra.VendorDisplay=Android