Statically link util classes into Telephony module.

- AsyncChannel
- BitwiseInputStream

Bug: 137202333
Test: make
Change-Id: I1714835d3489bc4ed5a4f289dfd9ac9ee6f194e9

Android.bp

@@ -1628,6 +1628,8 @@ filegroup {
         "core/java/android/util/LocalLog.java",
         "core/java/android/util/TimeUtils.java",
         "core/java/com/android/internal/os/SomeArgs.java",
+        "core/java/com/android/internal/util/AsyncChannel.java",
+        "core/java/com/android/internal/util/BitwiseInputStream.java",
         "core/java/com/android/internal/util/FastXmlSerializer.java",
         "core/java/com/android/internal/util/HexDump.java",
         "core/java/com/android/internal/util/IndentingPrintWriter.java",