HDMICEC: Add equals test for DeviceConfig

Add equals test for nested class class DeviceConfig in HdmiUtils.

Bug: 168713324
Test: atest HdmiUtilsTest#testEqualsDeviceConfig
Change-Id: I702a24494ef28752bb764e0843b969ae3b45b6f4
Merged-In: I702a24494ef28752bb764e0843b969ae3b45b6f4
1 file changed