Add support for webapk without runtimeHost (part 2)

chrome/android/webapk/shell_apk/AndroidManifest.xml

Index: chrome/android/webapk/shell_apk/AndroidManifest.xml
diff --git a/chrome/android/webapk/shell_apk/AndroidManifest.xml b/chrome/android/webapk/shell_apk/AndroidManifest.xml
index a9dc831ad59c389cb2532402a4d037200f09b93a..106b748212abc0cfbcac008c99c2e0e204a924c3 100644
--- a/chrome/android/webapk/shell_apk/AndroidManifest.xml
+++ b/chrome/android/webapk/shell_apk/AndroidManifest.xml
@@ -33,6 +33,7 @@
         </activity>
         <meta-data android:name="org.chromium.webapk.shell_apk.shellApkVersion" android:value="{{{shell_apk_version}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.runtimeHost" android:value="{{{runtime_host}}}" />
+        <meta-data android:name="org.chromium.webapk.shell_apk.runtimeHostApplicationName" android:value="{{{runtime_host_application_name}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.startUrl" android:value="{{{start_url}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.name" android:value="{{{name}}}" />
         <meta-data android:name="org.chromium.webapk.shell_apk.shortName" android:value="{{{short_name}}}" />