media: Add "Protected content" to PageInfo on Android

When the "Protected content" permission decision is different from the
default value, "Protected content" will show up in the PageInfo.

See screenshots at:
https://photos.app.goo.gl/Rmd5S75gTUNU7vZVA

Similar change on ChromeOS will be done in a separate CL.

Bug: 593210
Test: Manually tested. See screenshots linked above.
Change-Id: I87e7cda9b4e46b70e0410ec213b49590c8f5cd74
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1898611Reviewed-by: Balazs Engedy <engedy@chromium.org>
Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Commit-Queue: Xiaohan Wang <xhwang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#713131}

chrome/browser/ui/android/page_info/page_info_controller_android.cc

@@ -122,6 +122,8 @@ void PageInfoControllerAndroid::SetPermissionInfo(
   permissions_to_display.push_back(ContentSettingsType::JAVASCRIPT);
   permissions_to_display.push_back(ContentSettingsType::POPUPS);
   permissions_to_display.push_back(ContentSettingsType::ADS);
+  permissions_to_display.push_back(
+      ContentSettingsType::PROTECTED_MEDIA_IDENTIFIER);
   permissions_to_display.push_back(ContentSettingsType::AUTOPLAY);
   permissions_to_display.push_back(ContentSettingsType::SOUND);
   base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();