Fix for Job Scheduler Charging test case

This test was previously started when the device was plugged in.
The device goes into charging state some time after it is plugged in.
Now, we wait until ACTION_CHARGING is received and then start the test.

Bug: 23882801
Change-Id: I1aa48857efa6b20ecdab4c008d9b8ab627fd7e86
6 files changed