Add support for all parameter in leave call endpoint

Signed-off-by: sowjanyakch <sowjanya.kch@gmail.com>

app/src/main/java/com/nextcloud/talk/activities/CallActivity.kt

@@ -2028,7 +2028,7 @@ class CallActivity : CallBaseActivity() {
             callParticipantList!!.removeObserver(callParticipantListObserver)
             callParticipantList!!.destroy()
         }
-        ncApi!!.leaveCall(credentials, ApiUtils.getUrlForCall(apiVersion, baseUrl, roomToken!!))
+        ncApi!!.leaveCall(credentials, ApiUtils.getUrlForCall(apiVersion, baseUrl, roomToken!!), false)
             .subscribeOn(Schedulers.io())
             .observeOn(AndroidSchedulers.mainThread())
             .subscribe(object : Observer<GenericOverall> {

app/src/main/java/com/nextcloud/talk/api/NcApi.java

@@ -246,7 +246,8 @@ public interface NcApi {
     Server URL is: baseUrl + ocsApiVersion + spreedApiVersion + /call/callToken
     */
     @DELETE
-    Observable<GenericOverall> leaveCall(@Nullable @Header("Authorization") String authorization, @Url String url);
+    Observable<GenericOverall> leaveCall(@Nullable @Header("Authorization") String authorization, @Url String url,
+                                        @Field("all") Boolean all);
 
     @GET
     Observable<SignalingSettingsOverall> getSignalingSettings(@Nullable @Header("Authorization") String authorization,