Fix duplicate BuildConfig.class in TrichromeLibrary

It conflicts with TrichromeWebview's BuildConfig class. Fixes locale pak
issues when running with is_java_debug=false

Change-Id: I75a53119b1148c1c264554bbe5df49f912cb342f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1613361
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Eric Stevenson <estevenson@chromium.org>
Auto-Submit: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Eric Stevenson <estevenson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#659959}

chrome/android/trichrome.gni

@@ -64,7 +64,12 @@ template("trichrome_library_apk_tmpl") {
     version_name = chrome_version_name
     version_code = trichrome_version_code
     min_sdk_version = 28
-    product_version_resources_dep = "//chrome/android:product_version_resources"
+    if (!enable_trichrome_synchronized_proguard) {
+      generate_buildconfig_java = false
+    } else {
+      product_version_resources_dep =
+          "//chrome/android:product_version_resources"
+    }
 
     # TODO(torne): using system_webview_resources just to get a temporary icon
     deps = [