Delete temporary workaround and logging waitForBootComplete() now returns when the device is properly booted Bug: 178092640 Bug: 177668649 Test: atest CtsDevicePolicyManagerTestCases:com.android.cts.devicepolicy.ManagedProfilePasswordTest#testRebootDevice_separatePasswords Change-Id: Ifbdf41de982faee1beb0d720de092f49256e989a