Allow PhoneAccountHandle in SubscriptionInfoHelper

SubscriptionInfoHelper is used by voicemail settings to determine which
account the settings is for. Previously ACTION_CONFIGURE_VOICEMAIL
states TelephonyManager.EXTRA_PHONE_ACCOUNT_HANDLE can be used to
specify account but only subId was supported.

Fixes: 69313740
Test: make
Change-Id: I559af5d6cbac6ad090c6b33a37a41ad49deca136
2 files changed