Add AppInfo setting for page size appcompat

Adding preference which set the page size app compat
for given app.

Test: m Settings && adb install -r $ANDROID_PRODUCT_OUT/system_ext/priv-app/Settings/Settings.apk
Flag: page_size_app_compat_setting
Bug: 371049373
Change-Id: I91d014594e99e174f55010ca57aa19edc2071255