Restore missing deps in chrome_public_apk_tmpl.gni

This CL fixes monochrome build error that was introduced by unfortunate
rebase in https://crrev.com/c/1974000/1..4

TBR: torne@chromium.org,cjgrant@chromium.org,estevenson@chromium.org
Bug: 1035793, 1027573
Binary-Size: putting some missing assets back, no regression
Change-Id: Ibeceacc9b876759c8ad179850ec89daea0dde613
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1975723Reviewed-by: Eric Stevenson <estevenson@chromium.org>
Reviewed-by: Alex Ilin <alexilin@chromium.org>
Commit-Queue: Alex Ilin <alexilin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#726389}

chrome/android/chrome_public_apk_tmpl.gni

@@ -368,6 +368,7 @@ template("monochrome_public_common_apk_or_module_tmpl") {
       shared_library_for_unwind_asset = "monochrome"
 
       _deps += [
+        "//android_webview:monochrome_webview_assets",
         "//android_webview/glue",
         "//android_webview/nonembedded:nonembedded_java",
         "//chrome/android:monochrome_java",