minui: Add API to support multiple connectors detection

Add API to support multiple connectors detection

Bug: 227468133
Test: check log in recovery mode
Change-Id: I18c5e0f373a29b153aab038bd289eed18847f2af
diff --git a/minui/graphics.cpp b/minui/graphics.cpp
index b24c2b1..41a3661 100644
--- a/minui/graphics.cpp
+++ b/minui/graphics.cpp
@@ -502,3 +502,7 @@
 void gr_rotate(GRRotation rot) {
   rotation = rot;
 }
+
+bool gr_has_multiple_connectors() {
+  return gr_backend->HasMultipleConnectors();
+}