sdk: Update dx to version 1.13, which supports dex file version 038

This update supports invoke-polymorphic.

Necessary in order to build with javac on non-master branches which
may use the prebuilts dx (such as the master-art branch).

Bug: 36902714
Change-Id: I21a89ff3fc76e78df55c12053ec811e566648530
1 file changed