Fix carrierconfig shell command is not working when slot is specified

Using getSubId@Phone instead of
getActiveSubscriptionInfoForSimSlotIndex@SubscriptionManager
to get the subId. So that the command can skip the subscriber
identifier access check.

Bug: 168186484
Test: adb shell cmd phone cc set-value -s 0 rtt_supported_bool true
Merged-in: I71bdb767c2e2e999adc27deb9eb1618589859360
Change-Id: I71bdb767c2e2e999adc27deb9eb1618589859360
(cherry picked from commit f25799b477299f46e3bb2952354a187b3f365428)
1 file changed