Migrate Connectivity modules to use modules-utils

StateMachine stand-alone library will replace all specific filegroup
created for module.
It will be then moved into modules-utils

Bug: 198418216
Tag: #refactor
Test: Build
Merged-In: I07260fec2c8ec4bee9ddc1ce6004622976182109
Change-Id: I07260fec2c8ec4bee9ddc1ce6004622976182109

core/java/Android.bp

@@ -154,10 +154,7 @@ filegroup {
         "android/util/LocalLog.java",
         // This should be android.util.IndentingPrintWriter, but it's not available in all branches.
         "com/android/internal/util/IndentingPrintWriter.java",
-        "com/android/internal/util/IState.java",
         "com/android/internal/util/MessageUtils.java",
-        "com/android/internal/util/State.java",
-        "com/android/internal/util/StateMachine.java",
         "com/android/internal/util/WakeupMessage.java",
     ],
 }