Revert "libstagefright: Add NULL check for mHFRRatio"

This reverts commit c466f429f35f9110dc9b8670625fc49c17f7a05e.
Revert "media_profiles: the HFR parameters don't need to be mandatory"

This reverts commit 8967b060d3444dd6ff88eee9e3e00519e6e88e4f.
Revert "stagefright: Disable HSR for now"

This reverts commit 4eef3ad6037b6f1db2a72da1c46728f70a15bfb0.
Revert "stagefright: Enable GraphicBuffer usage to decoder before querying formats"

This reverts commit dc5e8d6e52108064e5f6c0ca5b86308b0a91304a.
Revert "libstagefright: Enable HFR feature for video recording"

This reverts commit 1cf7726e45d1cf72525354263f962dbbc1c94cd0.