Add TestApi for CtsActivityManagerDeviceTestCases.

1) Use @TestApis for verify AM related functions to replace using command.
2) Remove "development" protection level for some @TestApis permissions.

Bug: 77988683
Bug: 80415658
Test: atest CtsActivityManagerDeviceTestCases
Change-Id: I4bb10b45a2269c9e871f38f219d3e92cb45eeb9d