Fix comment marker in METADATA file. am: d48b00960e am: a60a37e939 am: ce7cfb0c7e

Original change: https://android-review.googlesource.com/c/platform/external/geonames/+/2255372

Change-Id: Ic0dcd0cc0ddbfa4398c9035c675e99ad53f78b13
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>