callview: redesign

Change-Id: I8ce1e02be798104aaca9d09d9dc5d931133ada6d
diff --git a/images/icons/open_in_full-24px.svg b/images/icons/open_in_full-24px.svg
new file mode 100644
index 0000000..5c293a0
--- /dev/null
+++ b/images/icons/open_in_full-24px.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24" height="24" viewBox="0 0 24 24" width="24"><rect fill="none" height="24" width="24"/><polygon points="21,11 21,3 13,3 16.29,6.29 6.29,16.29 3,13 3,21 11,21 7.71,17.71 17.71,7.71"/></svg>
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