[automerger skipped] Merge "Add '-unstable' to solve ODR violation" am: f7794b5dc1 am: 5724e15454 -s ours

am skip reason: Change-Id Id3c4bbc9149ba7c3e0a0d728026f02f60cb17424 with SHA-1 44b2f954be is in history

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/1400407

Change-Id: Iba1f2ef22059f905091e742f8041e675a6f76d77