[art] Format runtime/Android.bp

The hook scripts are failing on bpfmt in art because of a formatting
issue, this fixes the formatting issue

Test: bpfmt -d runtime/Android.bp
Change-Id: If3620a73639db0ef5e6379ad3e431dd2780b34b5
diff --git a/runtime/Android.bp b/runtime/Android.bp
index 2aff77d..b48357b 100644
--- a/runtime/Android.bp
+++ b/runtime/Android.bp
@@ -818,9 +818,11 @@
 genrule {
     name: "libart_mterp.x86_64ng",
     out: ["mterp_x86_64ng.S"],
-    srcs: ["interpreter/mterp/x86_64ng/*.S",
-           "interpreter/mterp/x86_64/arithmetic.S",
-           "interpreter/mterp/x86_64/floating_point.S"],
+    srcs: [
+        "interpreter/mterp/x86_64ng/*.S",
+        "interpreter/mterp/x86_64/arithmetic.S",
+        "interpreter/mterp/x86_64/floating_point.S",
+    ],
     tool_files: [
         "interpreter/mterp/gen_mterp.py",
         "interpreter/mterp/common/gen_setup.py",