HIDL change for Android O RIL update

1. Added two new API for screen state replacement.
2. Data call API refactoring work.

bug: 20125037, 32224135, 32223897, 32249926, 30282096, 30173958,
33653220
Test: Telephony sanity tests and unit tests

Merged-In: I6b266637914a85bd57c6a055c52c8ff4ced17e1f
Change-Id: I342b99bed8663d107052e791ac97949b34f7dd99
diff --git a/radio/1.0/IRadioIndication.hal b/radio/1.0/IRadioIndication.hal
index fb8666f..81ac13a 100644
--- a/radio/1.0/IRadioIndication.hal
+++ b/radio/1.0/IRadioIndication.hal
@@ -42,12 +42,13 @@
     oneway callStateChanged(RadioIndicationType type);
 
     /*
-     * Indicates when voice network state changed
-     * Callee must invoke IRadio.getVoiceRegistrationState() and IRadio.getOperator()
+     * Indicates when voice or data network state changed
+     * Callee must invoke IRadio.getVoiceRegistrationState(), IRadio.getDataRegistrationState(),
+     * and IRadio.getOperator()
      *
      * @param type Type of radio indication
      */
-    oneway voiceNetworkStateChanged(RadioIndicationType type);
+    oneway networkStateChanged(RadioIndicationType type);
 
     /*
      * Indicates when new SMS is received.