Revert "frameworks/av: rendering statistics for Stagefright."

This reverts commit 1a65f74eebe15e1533ebde98268a454a8b14f815.

Change-Id: I755e293705a72d90a4a855343439b625226c050b

Revert "libstagefright: adjust AV sync late margin based on property"

This reverts commit 14b0bb438a8b3291edd10fb068656e707a31cfb5.

Change-Id: Ibcc3573283282b3f52a813c789f8586965bbc088

Revert "libstagefright: post video events dynamically - calculate amount of time to delay video event after renderusing the formula: delay = (us between frames)-(us taken by event)-(lateness)"

This reverts commit 1ac2a4f83f7d14b3a4d9c4691a5d6bb62fcc5522.

Change-Id: I06b8023d45a2ea1497a87d5adf7bfa7e74dc0710