callView: update buttons

Change-Id: I6b13436d2f4f1181a3bcd865f0206b1cd5d2a3fa
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0a10563..2ece9f2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -219,6 +219,8 @@
    src/views/CenteredClipView.mm
    src/views/CallMTKView.h
    src/views/CallMTKView.mm
+   src/views/GradientView.h
+   src/views/GradientView.mm
 )
 
 SET(ringclient_OTHERS
@@ -326,6 +328,7 @@
 ${CMAKE_CURRENT_SOURCE_DIR}/data/dark/ic_action_video.png
 ${CMAKE_CURRENT_SOURCE_DIR}/data/dark/pending_contact_request.png
 ${CMAKE_CURRENT_SOURCE_DIR}/data/dark/ic_file_upload.png
+${CMAKE_CURRENT_SOURCE_DIR}/data/dark/ic_record_stop.png
 ${CMAKE_CURRENT_SOURCE_DIR}/data/light/ic_picture.png)
 
 SET_SOURCE_FILES_PROPERTIES(${ring_ICONS} PROPERTIES