Set dist_group: "android" for art java_sdk_libraries

dist_group replaces owner and the default is going to change, set it
to the current default "android" for art java_sdk_libraries.

Bug: 186723288
Test: m checkbuild
Change-Id: I1db466efe9f7d16e7762a7c20267ec87c3b84a4b
diff --git a/libartservice/Android.bp b/libartservice/Android.bp
index 5390fb2..5f8a296 100644
--- a/libartservice/Android.bp
+++ b/libartservice/Android.bp
@@ -96,6 +96,7 @@
     ],
 
     plugins: ["java_api_finder"],
+    dist_group: "android",
 }
 
 art_cc_test {