Add KEY_CAPABILITIES_EXEMPT_FROM_SINGLE_DC_CHECK_INT_ARRAY

Add KEY_CAPABILITIES_EXEMPT_FROM_SINGLE_DC_CHECK_INT_ARRAY to carrier
config, which indicates the capabilities that are exempt from the single
PDN rule.

Fix: 237550962
Test: atest + cts
Change-Id: Ie49f6274d8e780534e203d6d0a5ead4ed2f3cfa7
Merged-In: Ie49f6274d8e780534e203d6d0a5ead4ed2f3cfa7