Some Tailnet lock cleanup

Signed-off-by: Percy Wegmann <percy@tailscale.com>

android/src/main/java/com/tailscale/ipn/ui/view/TailnetLockSetupView.kt

@@ -59,7 +59,7 @@ fun TailnetLockSetupView(
                 Icon(
                     painter = painterResource(id = statusItem.icon),
                     contentDescription = null,
-                    tint = ts_color_light_blue)
+                    tint = MaterialTheme.colorScheme.onSurfaceVariant)
               },
               headlineContent = { Text(stringResource(statusItem.title)) })
         }

android/src/main/res/values/strings.xml

@@ -124,7 +124,7 @@
 
     <!-- Strings for the bug report screen -->
     <string name="bug_report_id">Bug report ID</string>
-    <string name="learn_more">Learn more…</string>
+    <string name="learn_more">Learn more</string>
 
     <!-- Strings for DNS settings -->
     <string name="dns_settings">DNS settings</string>