[automerger skipped] vold: only allow emmc_optimized on eMMC storage am: 006eed8e3a am: 65aa48c810 am: 1f6e9af5b1 -s ours

am skip reason: Change-Id Ie27b80658db53b1a4207b3cbb4e309d05130812e with SHA-1 eb566d0a7c is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/vold/+/12098822

Change-Id: I0fe158134f8aa7841997b6f91926a66f74a53d92