Add tests for BluetoothPbapSimVcardManager (1/2)

Bug: 237548430
Test: atest BluetoothPbapSimVcardManagerTest
Ignore-AOSP-First: Merging into internal branches first
        in order to resolve merge conflict
Change-Id: Iaa66f434b742d44a647d5629f2fd699fa720513e
Merged-In: Iaa66f434b742d44a647d5629f2fd699fa720513e
(cherry picked from commit c7ec5716)
Merged-In: Iaa66f434b742d44a647d5629f2fd699fa720513e