Set taskbar heights to 0 when taskbar is not present.

Fix: 289769344
Test: DeviceProfileDumpTest
Change-Id: I53f8a629c8adc12feb1fdf9f5b40b4a680c97b78
Merged-In: I53f8a629c8adc12feb1fdf9f5b40b4a680c97b78
1 file changed