Merge "Fix implicit cast from ssize_t to size_t in KeyedVector.h" am: a14beb2dbc am: f4d3b9e85f

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1715473

Change-Id: I938079b95fa8cd7a9978a3713564bf34a7dd9536