[Android] Remove redundant notifyRendererPreferenceUpdate() calls

Remove WebContents#notifyRendererPreferenceUpdate() calls in
CustomTabActivityTabController.java and WebApkActivity.java which are
redundant to WebContents#notifyRendererPreferenceUpdate() call in
TabImpl#initWebContents()

BUG=1059580

Change-Id: I6f55adb5ce7e29f1b00b45ef2dad31ca960bafe5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2093995
Commit-Queue: Peter Kotwicz <pkotwicz@chromium.org>
Reviewed-by: Jinsuk Kim <jinsukkim@chromium.org>
Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#749203}

chrome/android/java/src/org/chromium/chrome/browser/customtabs/content/CustomTabActivityTabController.java

@@ -276,10 +276,6 @@ public class CustomTabActivityTabController
         if (tab == null) return null;
 
         TabAssociatedApp.from(tab).setAppId(mConnection.getClientPackageNameForSession(mSession));
-        if (mIntentDataProvider.shouldEnableEmbeddedMediaExperience()) {
-            // Configures web preferences for viewing downloaded media.
-            if (tab.getWebContents() != null) tab.getWebContents().notifyRendererPreferenceUpdate();
-        }
         initializeTab(tab);
         return tab;
     }
@@ -378,10 +374,6 @@ public class CustomTabActivityTabController
 
         TabAssociatedApp.from(tab).setAppId(mConnection.getClientPackageNameForSession(mSession));
 
-        if (mIntentDataProvider.shouldEnableEmbeddedMediaExperience()) {
-            if (tab.getWebContents() != null) tab.getWebContents().notifyRendererPreferenceUpdate();
-        }
-
         initializeTab(tab);
 
         if (mIntentDataProvider.getTranslateLanguage() != null) {

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkActivity.java

@@ -5,13 +5,11 @@
 package org.chromium.chrome.browser.webapps;
 
 import android.content.Intent;
-import android.os.Bundle;
 
 import androidx.browser.trusted.sharing.ShareData;
 
 import org.chromium.base.IntentUtils;
 import org.chromium.chrome.browser.flags.ActivityType;
-import org.chromium.content_public.browser.WebContents;
 import org.chromium.webapk.lib.common.WebApkConstants;
 
 /**
@@ -31,13 +29,6 @@ public class WebApkActivity extends WebappActivity {
         return (intent == null) ? WebApkInfo.createEmpty() : WebApkInfo.create(intent);
     }
 
-    @Override
-    protected void initializeUI(Bundle savedInstance) {
-        super.initializeUI(savedInstance);
-        WebContents webContents = getActivityTab().getWebContents();
-        if (webContents != null) webContents.notifyRendererPreferenceUpdate();
-    }
-
     @Override
     public boolean shouldPreferLightweightFre(Intent intent) {
         // We cannot use getWebApkPackageName() because