Revert 3 slide show coding changes

Revert 3 slide show coding changes

This is a combination of the following 3 reverts. The changes cause
issues on certain hardware devices. We'll pull them for now to allow for
further investigation.

Revert "Experiment regarding playback problems on Bravia TVs."

This reverts commit 624f8105f5ae7e0bc82bdc7e10a4253295134a8b.

Revert "Improved slide show coding"

This reverts commit f4091bc30eef0fcacb5d5bd74ab7cfbc3c8aab5f.

Revert "Improved coding on slide show content."

This reverts commit 2fa333c2ae1b6fcc1864de12a7ad344a16e2ac0a.

BUG=b/77492144

Change-Id: Ifba937792d644a9286307262f050216408e8ecf4