android: use size_t to align
android: use size_t to align

A uint8_t won't be bit-extended, zero-ing all the upper bits of value.

Change-Id: Iae41eeb4a014de5ed47ad599081959250a7bbe9c
Reviewed-on: https://chromium-review.googlesource.com/c/1405691
Reviewed-by: Mark Mentovai <f1b5a91d4d6ad523f2610114591c007e75d15084@chromium.org>
Commit-Queue: Joshua Peraza <f5809a5e35ec7e1bd0e25cb0a0b68bb433cf6f17@chromium.org>

chromium/crashpad,chromium/crashpad,chromium/crashpad