Update camera asset in onboarding profile view.

Signal/Images.xcassets/settings-avatar-camera-2.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "camera-filled-24@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "camera-filled-24@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "camera-filled-24@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Signal/src/ViewControllers/Registration/OnboardingProfileViewController.swift

@@ -42,7 +42,8 @@ public class OnboardingProfileViewController: OnboardingBaseViewController {
         avatarView.autoSetDimensions(to: CGSize(width: CGFloat(avatarSize), height: CGFloat(avatarSize)))
 
         let cameraImageView = UIImageView()
-        cameraImageView.image = UIImage(named: "settings-avatar-camera")
+        cameraImageView.image = UIImage(named: "settings-avatar-camera-2")?.withRenderingMode(.alwaysTemplate)
+        cameraImageView.tintColor = Theme.secondaryColor
         cameraCircle.backgroundColor = Theme.backgroundColor
         cameraCircle.addSubview(cameraImageView)
         let cameraCircleDiameter: CGFloat = 40