Revert "binder: Parcel avoid too small initial allocation"

This reverts commit 7dacc699a4692a3754a270a5e2d93138899242d2.

Reason for revert: broke android.os.cts.ParcelTest which is blocking some presubmit.

Change-Id: I71a6481a5e00adf5096eb824ada8fef3c670dfdd
4 files changed