MSIM: Add support for DSDA.

1. Interface changes to inform local call hold and setActiveSubscription
to telephony service from telecomm service.
2. Interface in Telecomm manager to query active subscription and switch
to other subscription.
3. Add support in PhoneAccount to maintain LCH & active subscription
information.
4. Interface changes to inform sub switch between inCallUI and Telecomm
service.

Change-Id: I942122eab45a19ea30abc92c90228d9115c1df78

1 files changed, 15 insertions, 2 deletions

diff --git a/telecomm/java/android/telecom/ParcelableCall.java b/telecomm/java/android/telecom/ParcelableCall.java
index 8cf4aeb..20a4455 100644
--- a/telecomm/java/android/telecom/ParcelableCall.java
+++ b/telecomm/java/android/telecom/ParcelableCall.java
@@ -56,6 +56,7 @@ public final class ParcelableCall implements Parcelable {
     private final List<String> mConferenceableCallIds;
     private final Bundle mIntentExtras;
     private final Bundle mExtras;
+    private final boolean mIsActiveSub;
 
     public ParcelableCall(
             String id,
@@ -79,7 +80,8 @@ public final class ParcelableCall implements Parcelable {
             int videoState,
             List<String> conferenceableCallIds,
             Bundle intentExtras,
-            Bundle extras) {
+            Bundle extras,
+            boolean isActiveSub) {
         mId = id;
         mState = state;
         mDisconnectCause = disconnectCause;
@@ -102,6 +104,7 @@ public final class ParcelableCall implements Parcelable {
         mConferenceableCallIds = Collections.unmodifiableList(conferenceableCallIds);
         mIntentExtras = intentExtras;
         mExtras = extras;
+        mIsActiveSub = isActiveSub;
     }
 
     /** The unique ID of the call. */
@@ -259,6 +262,13 @@ public final class ParcelableCall implements Parcelable {
         return mIsVideoCallProviderChanged;
     }
 
+    /**
+     *  return if this call object belongs to active subscription.
+     */
+    public boolean isActive() {
+        return mIsActiveSub;
+    }
+
     /** Responsible for creating ParcelableCall objects for deserialized Parcels. */
     public static final Parcelable.Creator<ParcelableCall> CREATOR =
             new Parcelable.Creator<ParcelableCall> () {
@@ -291,6 +301,7 @@ public final class ParcelableCall implements Parcelable {
             source.readList(conferenceableCallIds, classLoader);
             Bundle intentExtras = source.readBundle(classLoader);
             Bundle extras = source.readBundle(classLoader);
+            boolean isActiveSub = (source.readInt() == 1) ? true : false;
             return new ParcelableCall(
                     id,
                     state,
@@ -313,7 +324,8 @@ public final class ParcelableCall implements Parcelable {
                     videoState,
                     conferenceableCallIds,
                     intentExtras,
-                    extras);
+                    extras,
+                    isActiveSub);
         }
 
         @Override
@@ -354,6 +366,7 @@ public final class ParcelableCall implements Parcelable {
         destination.writeList(mConferenceableCallIds);
         destination.writeBundle(mIntentExtras);
         destination.writeBundle(mExtras);
+        destination.writeInt(mIsActiveSub ? 1 : 0);
     }
 
     @Override