tree eccca1a38deec4d414a80dcf5b0fbf933c8718e1
parent 46e3bc742df0a7b0bfde0a47515b3abb34c2171c
author Jordan Liu <jminjie@google.com> 1587082093 -0700
committer Jordan Liu <jminjie@google.com> 1587148051 -0700

Add SmsHeaderTest

Also add #equals methods for SmsHeader and subclasses to make asserting
equality in tests easier.

Bug: 148482334
Test: atest SmsHeaderTest
Change-Id: I8bfeeffba87a2e8141e46b6ba399952b55d97455