Inline usage of jarjar_rules.txt

No need to have a filegroup for this. This also has the nice side-effect
of avoiding modules outside this directory depending on the file.

Bug: 185128417
Test: m
Change-Id: Idef6f2fd89116490c43427bba55202f46377a83d

Android.bp

@@ -271,11 +271,6 @@ java_library {
     installable: false,
 }
 
-filegroup {
-    name: "framework-jarjar-rules",
-    srcs: ["framework-jarjar-rules.txt"],
-}
-
 java_defaults {
     name: "framework-minus-apex-defaults",
     defaults: ["framework-aidl-export-defaults"],
@@ -296,7 +291,7 @@ java_defaults {
         "--core-library",
         "--multi-dex",
     ],
-    jarjar_rules: ":framework-jarjar-rules",
+    jarjar_rules: "framework-jarjar-rules.txt",
     javac_shard_size: 150,
     plugins: [
         "view-inspector-annotation-processor",