Make sure the pointers we return from our continuous memory buffer is
always 64-bit aligned as it's used not only for strings, but also for
structs/objects, and such unaligned memory access is undefined on some
archs and flagged as such by ASAN.
Change-Id: I84cf74e4e9d203fe02507aa1190ccc6554fb36e2
(cherry picked from commit ade8100d3b)
Avoid accessing memory via pointers that may not be aligned, which is
undefined behaviour on some archs. Use memcpy for this purpose instead.
Change-Id: Iec6c8d15fdd7ef00896e494b69412847b637b01b
(cherry picked from commit d44abe24f6)