apns: Fix GCI

Aligns with both, apns-full-conf.xml and the website at
https://gci.com/support/support-articles/gci-basic-settings

Fixes: https://gitlab.com/LineageOS/issues/android/-/issues/7930
Change-Id: Ic1026664cdb782b1bf2fbed0a6de6ad95a9791d4
Signed-off-by: Jackeagle <jackeagle102@gmail.com>
1 file changed