Align DisplayEventReceiver events

The structs are aligned differently on x86 vs x64, causing them to
parse messages wrong.

Test: CtsGraphicsTestCases android.graphics.drawable.cts.AnimatedImageDrawableTest#testLifeCycle
Bug: 149314120
Change-Id: I745ba7647ecadffed016f1694a7b4a81c5ef195c
3 files changed