Make style of srcs consistent

Address the comment from: aosp/1293897

Bug: 135177365
Test: m
Change-Id: I806d0c4b9857dc43945804823146fb856180dff2
diff --git a/core/tests/utiltests/Android.bp b/core/tests/utiltests/Android.bp
index f13885e..a9b9c41 100644
--- a/core/tests/utiltests/Android.bp
+++ b/core/tests/utiltests/Android.bp
@@ -8,7 +8,10 @@
     // We only want this apk build for tests.
 
     // Include all test java files.
-    srcs: ["src/**/*.java"] + ["src/android/util/IRemoteMemoryIntArray.aidl"],
+    srcs: [
+        "src/**/*.java",
+        "src/android/util/IRemoteMemoryIntArray.aidl",
+    ],
 
     jni_libs: [
         "libmemoryintarraytest",