Migrate NetworkStack 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
preconditions is already a modules-utils

Bug: 198418216
Tag: #refactor
Test: Build
Change-Id: I6de6c2575adf896e283672ebae82431f5c8172af

Android.bp

@@ -375,12 +375,8 @@ filegroup {
         "core/java/android/util/LocalLog.java",
         "core/java/com/android/internal/util/HexDump.java",
         "core/java/com/android/internal/util/IndentingPrintWriter.java",
-        "core/java/com/android/internal/util/IState.java",
         "core/java/com/android/internal/util/MessageUtils.java",
-        "core/java/com/android/internal/util/Preconditions.java",
         "core/java/com/android/internal/util/RingBufferIndices.java",
-        "core/java/com/android/internal/util/State.java",
-        "core/java/com/android/internal/util/StateMachine.java",
         "core/java/com/android/internal/util/WakeupMessage.java",
         "core/java/com/android/internal/util/TokenBucket.java",
     ],