Restore missing #include <stdint.h> to Android <sys/user.h>

This was lost in afa9c52715db, but it turns out that it’s still
necessary.

Bug: google-breakpad:733
Change-Id: I4e0e4e4d2e80c22df1ff6b82e471905773c940a3
Reviewed-on: https://chromium-review.googlesource.com/675732
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Cr-Mirrored-From: https://chromium.googlesource.com/breakpad/breakpad
Cr-Mirrored-Commit: 1c6d1613966eab5d77531e85f3b60c40124b43f0
1 file changed