HDMICEC: Add equals test for CodecSad

Add equals test for nested class class CodecSad in HdmiUtils.

Bug: 168713324
Test: atest HdmiUtilsTest#testEqualsCodecSad
Change-Id: I5991629458ef06d9feaabec55f85c0f88368b301
Merged-In: I5991629458ef06d9feaabec55f85c0f88368b301
1 file changed