Telephony module will staticlly link IState.java

to avoid hidden API dependency.

Bug: 137202333
Test: make
Change-Id: I5a9ddbebadcf6226402f6e4a37ced168fe07d55b
diff --git a/Android.bp b/Android.bp
index 303cff9..273650f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1615,6 +1615,7 @@
         "core/java/com/android/internal/os/SomeArgs.java",
         "core/java/com/android/internal/util/FastXmlSerializer.java",
         "core/java/com/android/internal/util/HexDump.java",
+        "core/java/com/android/internal/util/IState.java",
         "core/java/com/android/internal/util/IndentingPrintWriter.java",
         "core/java/com/android/internal/util/Preconditions.java",
         "core/java/com/android/internal/util/State.java",