Add webapk site settings category

A WebApk checks for this category to display
a site settings shortcut. This category is therefore
a switch to turn site settings on/off.

Bug: 1128985
Change-Id: Id2678b957bd3f21e8cafa47ca2c10a2b269b3621
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2434326
Commit-Queue: Pavol Drotár <pavoldrotar@google.com>
Reviewed-by: Peter Conn <peconn@chromium.org>
Reviewed-by: Boris Sazonov <bsazonov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#811196}

chrome/android/expectations/monochrome_public_bundle.AndroidManifest.expected

@@ -1092,6 +1092,7 @@
         <category android:name="androidx.browser.customtabs.category.NavBarColorCustomization"/>
         <category android:name="androidx.browser.trusted.category.ImmersiveMode"/>
         <category android:name="androidx.browser.trusted.category.LaunchSiteSettings"/>
+        <category android:name="androidx.browser.trusted.category.LaunchWebApkSiteSettings"/>
         <category android:name="androidx.browser.trusted.category.TrustedWebActivities"/>
         <category android:name="androidx.browser.trusted.category.TrustedWebActivitySplashScreensV1"/>
         <category android:name="androidx.browser.trusted.category.WebShareTargetV2"/>

chrome/android/expectations/trichrome_chrome_bundle.AndroidManifest.expected

@@ -999,6 +999,7 @@
         <category android:name="androidx.browser.customtabs.category.NavBarColorCustomization"/>
         <category android:name="androidx.browser.trusted.category.ImmersiveMode"/>
         <category android:name="androidx.browser.trusted.category.LaunchSiteSettings"/>
+        <category android:name="androidx.browser.trusted.category.LaunchWebApkSiteSettings"/>
         <category android:name="androidx.browser.trusted.category.TrustedWebActivities"/>
         <category android:name="androidx.browser.trusted.category.TrustedWebActivitySplashScreensV1"/>
         <category android:name="androidx.browser.trusted.category.WebShareTargetV2"/>

chrome/android/java/AndroidManifest.xml

@@ -1081,6 +1081,7 @@ by a child template that "extends" this file.
               <category android:name="androidx.browser.customtabs.category.NavBarColorCustomization"/>
               <category android:name="androidx.browser.trusted.category.ImmersiveMode"/>
               <category android:name="androidx.browser.trusted.category.LaunchSiteSettings" />
+              <category android:name="androidx.browser.trusted.category.LaunchWebApkSiteSettings"/>
               <category android:name="androidx.browser.trusted.category.TrustedWebActivities"/>
               <category android:name="androidx.browser.trusted.category.TrustedWebActivitySplashScreensV1"/>
               <category android:name="androidx.browser.trusted.category.WebShareTargetV2"/>