Add date and time reminder to diagnostic screen

Summary: I got tripped up again with a physical iOS device that had the wrong date and time. SSL certs won't be valid. Adds a reminder to the diagnostic screen for anyone running into this in future.

Reviewed By: passy

Differential Revision: D14132411

fbshipit-source-id: 623120ef5252eae3e2fe0f6f653074f586f17e0e

xplat/Flipper/FlipperConnectionManagerImpl.cpp

@@ -133,11 +133,18 @@ void FlipperConnectionManagerImpl::startSync() {
       // treat them the same.
       step->fail(
           "No route to flipper found. Is flipper desktop running? Retrying...");
+    } else {
+      if (e.getType() == folly::AsyncSocketException::SSL_ERROR) {
+        auto message = std::string(e.what()) +
+            "\nMake sure the date and time of your device is up to date.";
+        log(message);
+        step->fail(message);
       } else {
         log(e.what());
-      failedConnectionAttempts_++;
         step->fail(e.what());
       }
+      failedConnectionAttempts_++;
+    }
     reconnect();
   } catch (const std::exception& e) {
     log(e.what());