Protect TelecomManager#getPhoneAccount with necessary permission.

Apps targeting API version 31+ should have READ_PHONE_NUMBERS to call
method getPhoneAccount.

Bug: 183407956
Test: UnitTest, CTS test
Change-Id: I60c37687d8ee0b04129f0393a19e0fd4961990e5
(cherry picked from commit 11a19742d03d766567f281dcf31e4efa5b4d636b)
3 files changed