Merge "initialized carrier_certificate_string_array to an empty array instead of null, so that when a certificate is removed, it is also removed in SubscriptionInfoUpdater#updateSubscriptionByCarrierConfig" am: 12231e3a46 am: fc5c95c7db am: 1218bbd843

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1469714

Change-Id: I53d3cea2ff838ba2fdbd0deb8ee8e39ac97a09e6