ART: Fix soong defaults order

Defaults are prepended in order of their appearance. Move debug
defaults first.

Bug: 31098551
Test: m test-art-host
Change-Id: I9a64db34d0e398d336dac080c7234cad77b719ee
diff --git a/disassembler/Android.bp b/disassembler/Android.bp
index 8dfada2..086b8c7 100644
--- a/disassembler/Android.bp
+++ b/disassembler/Android.bp
@@ -47,8 +47,8 @@
 art_cc_library {
     name: "libartd-disassembler",
     defaults: [
-        "libart-disassembler-defaults",
         "art_debug_defaults",
+        "libart-disassembler-defaults",
     ],
     shared_libs: [
         // For disassembler_arm*.