Merge "Mark GraphicsMapperHidlTest as allowing not being instantiated" am: ca31517201 am: 527ce01e45 am: 5342c34a26

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1439141

Change-Id: I189e58c030e857b17a65d3bbfaef59affa9ffd68