otasp refactor

 - rewrite otasp with simplied logic
 - streamline the flow, remove dependencies with SuW
 - remove support for interactive otasp call which has been deprecated since Kitkat
 - TODO: remove deprecated codes or mark as deprecated
 - TODO: otasp app update SimActivationStatus when API is ready

Test: manual test
Bug: 31061369
Change-Id: Ia210186d7c900ed719eea1d19dc52e6638e04bc5
diff --git a/src/com/android/phone/PhoneUtils.java b/src/com/android/phone/PhoneUtils.java
index 9f70349..6fdff14 100644
--- a/src/com/android/phone/PhoneUtils.java
+++ b/src/com/android/phone/PhoneUtils.java
@@ -86,9 +86,9 @@
     static final String ADD_CALL_MODE_KEY = "add_call_mode";
 
     // Return codes from placeCall()
-    static final int CALL_STATUS_DIALED = 0;  // The number was successfully dialed
-    static final int CALL_STATUS_DIALED_MMI = 1;  // The specified number was an MMI code
-    static final int CALL_STATUS_FAILED = 2;  // The call failed
+    public static final int CALL_STATUS_DIALED = 0;  // The number was successfully dialed
+    public static final int CALL_STATUS_DIALED_MMI = 1;  // The specified number was an MMI code
+    public static final int CALL_STATUS_FAILED = 2;  // The call failed
 
     // State of the Phone's audio modes
     // Each state can move to the other states, but within the state only certain