[cr-buildbucket] Add cores:32 to Linux/Android CFI

Bug: 815386, 790297
TBR: tandrii
Change-Id: I60fd795bee0c0bf9d4b1ae9f0252de9d9624cbad
Reviewed-on: https://chromium-review.googlesource.com/1109440Reviewed-by: Ryan Tseng <hinoka@chromium.org>
Commit-Queue: Ryan Tseng <hinoka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#569137}

infra/config/global/cr-buildbucket.cfg

@@ -1464,6 +1464,7 @@ buckets {
     builders {
       name: "Linux CFI"
       dimensions: "os:Ubuntu-14.04"
+      dimensions: "cores:32"
       mixins: "memory-ci"
     }
     builders {
@@ -1887,6 +1888,7 @@ buckets {
     builders {
       name: "Android CFI"
       dimensions: "os:Ubuntu-14.04"
+      dimensions: "cores:32"
       mixins: "memory-ci"
     }
     builders {