Revert^2 "SharedBuffer: Use AllocatorTracker to allocate the buffer"

This reverts commit a5b7b8a0084f1ac1199a81e2c93a865f93d1758e.

Reason for revert: Issue fixed

Bug: 414621670
Change-Id: Ia29ab55dea78d84678fb024587916df7e790e601
5 files changed