Fix jinja parameters to include required manifest entry for trichrome

Fixed: 1008199
Change-Id: I3037a9435c7d4e3f9d719275d8c538f8c2876e40
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1876203
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Auto-Submit: Piotr Bialecki <bialpio@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709339}

chrome/android/trichrome.gni

@@ -35,6 +35,7 @@ trichrome_jinja_variables = [
   "trichrome_version=$trichrome_version_code",
   "trichrome_certdigest=$trichrome_certdigest",
   "use32bitAbi=android:use32bitAbi=\"true\"",
+  "include_arcore_manifest_flag=true",
 ]
 
 trichrome_synchronized_proguard =