Further fixes to telecom unit tests

Fix unsynchronized access to CS focus manager
Delete phone account cache in unit test setup
Add more wait-for-handler-actions

Test: unit tests
Change-Id: I0ca0fb5a35e97d2b8b0471f0ebafc8e9ece34f10
Merged-In: I0ca0fb5a35e97d2b8b0471f0ebafc8e9ece34f10
8 files changed