Add VGA and SVGA resolutions

Author: johannesschrimpf

protobuf_definitions/message_formats.proto

@@ -787,8 +787,10 @@ message ErrorFlags {
 // Available camera resolutions.
 enum Resolution {
   RESOLUTION_UNSPECIFIED = 0; // Resolution not specified.
-  RESOLUTION_FULLHD_1080P = 1; // 1080p Full HD resolution.
+  RESOLUTION_VGA = 4; // VGA resolution (640x480).
+  RESOLUTION_SVGA = 5; // SVGA resolution (800x600).
   RESOLUTION_HD_720P = 2; // 720p HD resolution.
+  RESOLUTION_FULLHD_1080P = 1; // 1080p Full HD resolution.
   RESOLUTION_UHD_4K = 3; // 4K Ultra HD resolution.
 }