Remove allow-multiple-definitions flag. am: e08668e6c6

Original change: https://android-review.googlesource.com/c/platform/system/server_configurable_flags/+/3155916

Change-Id: I8dcb6364b7b8a01367cc3df359804306b021991e
Signed-off-by: Automerger Merge Worker <[email protected]>