Revert "Filter memory tombstone fields before DropBox logging"

This reverts commit 2c4bb0f3.

Reason for revert: DroidMonitor: Potential culprit for http://b/390496814 - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.

Change-Id: Id250a28fe5183804639614c98b0b0c2958db02e0