afdo_metadata: Publish new profiles for kernel 3.18.

Update chromeos-kernel-3_18 from R81-12847.0-1580121376 to R81-12861.0-1580725953

Change-Id: I50371eb90a06af35438d3a953117d1e6af30753f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/2035772
diff --git a/afdo_metadata/kernel_afdo.json b/afdo_metadata/kernel_afdo.json
index 3b07cae..9f5f43e 100644
--- a/afdo_metadata/kernel_afdo.json
+++ b/afdo_metadata/kernel_afdo.json
@@ -6,6 +6,6 @@
         "name": "R81-12847.0-1580121216"
     }, 
     "chromeos-kernel-3_18": {
-        "name": "R81-12847.0-1580121376"
+        "name": "R81-12861.0-1580725953"
     }
 }
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