Mark some RIL test case as FlakyTest

The status of the wakelock in RIL is not stable due to unknown reason.
All the test are passed perfectly in local device, but may be failed
in presubmit, so mark some related tests as FlakyTest and we will
change it back after resolved the issue.

Bug: 69869941
Test: unit test
Change-Id: I97eaf6f40c95d65ec5136a9a3d22a045ecf9c9b5