🤝 Protect against null scheme in TrustedWebActivityClient.

Bug: 988068, 984945
Change-Id: Ia095904e4d07ded1814af0d35ed2cff3c50b6946
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1736669Reviewed-by: Michael van Ouwerkerk <mvanouwerkerk@chromium.org>
Commit-Queue: Peter Conn <peconn@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683977}

chrome/android/java/src/org/chromium/chrome/browser/browserservices/TrustedWebActivityClient.java

@@ -194,7 +194,7 @@ public class TrustedWebActivityClient {
         Origin origin = new Origin(url);
 
         // Trusted Web Activities only work with https so we can shortcut here.
-        if (!origin.uri().getScheme().equals(UrlConstants.HTTPS_SCHEME)) return null;
+        if (!UrlConstants.HTTPS_SCHEME.equals(origin.uri().getScheme())) return null;
 
         Set<String> verifiedPackages = TrustedWebActivityServiceConnectionManager
                 .getVerifiedPackages(appContext, origin.toString());