Merge "Check payload type for @FixedSize or is_fundamental" am: 37651d87cc am: aad92401ae am: 0d5c5f896e am: 1751d933bb am: 751a13925f

Original change: https://android-review.googlesource.com/c/platform/system/libfmq/+/1438173

Change-Id: I60a569bdd676b40a17145c7be4983e91e2a056e1