Revert "mediatek: advertise support of protected buffers only"

This reverts commit 30fd8bb58ff6192c45935f24effe887f0563efd9.

Reason for revert: This breaks protected content on MTK ChromeOS

Original change's description:
> mediatek: advertise support of protected buffers only
>
> if the heap is available
>
> Bug: b/406253026
> Test: run android.graphics.cts.BitmapTest#testWrapHardwareBufferWithProtectedUsageFails
> Flag: EXEMPT: desktop-only change
> Change-Id: Ifbd1d75e63609e5e7c24e0ec6dce7aaba9f14b98
> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/6860383
> Tested-by: Dominik Behr <[email protected]>
> Reviewed-by: Yiwei Zhang <[email protected]>
> Auto-Submit: Dominik Behr <[email protected]>
> Commit-Queue: Dominik Behr <[email protected]>

Bug: b/406253026, b/439910775
Change-Id: I79fd451bdf879e0272e7eafa759742c74f1eb30e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/6937279
Tested-by: Nathan Hebert <[email protected]>
Commit-Queue: Nathan Hebert <[email protected]>
Reviewed-by: Dominik Behr <[email protected]>
1 file changed