Merge "Compile libhwui.so with 2MB section alignment." am: 919e8c1ba3 am: 2cf6388ff3 am: 18b7ad49da

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1685430

Change-Id: I5bc88e07bc7455c10ba39c953f7667a4486bb041