Sort exported headers of libutils

Bug: N/A
Test: build

Change-Id: I658155371ca32a7e9ba7e82f8e43780c515df77b
diff --git a/libutils/Android.bp b/libutils/Android.bp
index 45d010f..9d17ff5 100644
--- a/libutils/Android.bp
+++ b/libutils/Android.bp
@@ -28,18 +28,18 @@
     min_sdk_version: "apex_inherit",
 
     header_libs: [
-        "liblog_headers",
-        "libsystem_headers",
-        "libcutils_headers",
-        "libprocessgroup_headers",
         "libbase_headers",
+        "libcutils_headers",
+        "liblog_headers",
+        "libprocessgroup_headers",
+        "libsystem_headers",
     ],
     export_header_lib_headers: [
-        "liblog_headers",
-        "libsystem_headers",
-        "libcutils_headers",
-        "libprocessgroup_headers",
         "libbase_headers",
+        "libcutils_headers",
+        "liblog_headers",
+        "libprocessgroup_headers",
+        "libsystem_headers",
     ],
     export_include_dirs: ["include"],