Revert "ANDROID: Track per-process dmabuf RSS"

This reverts commit 5737a207.

Bug: 439080322
Bug: 435308937
Signed-off-by: T.J. Mercier <tjmercier@google.com>
(cherry picked from https://android-review.googlesource.com/q/commit:4f5becd3eec86d924337a066287393b73c96e50c)
Merged-In: Ie487cb975cd3b77d02d90a48c787edd5cefdacbd
Change-Id: Ie487cb975cd3b77d02d90a48c787edd5cefdacbd