Disallow use of error-prone merge-strategies am: 86c4c55d81

Original change: https://android-review.googlesource.com/c/platform/packages/modules/SdkExtensions/+/1602053

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9bb65fe0c79a1fa0a0e27c9cc51d0aa1d1b6c9bc