platform: Rename FULL_HEAP_SNAPSHOTS to RAW_HEAP_SNAPSHOTS

The rename was suggested in https://crrev.com/c/1528994 to a better fit.

Bug: 936797
Change-Id: I8193012f4edcd707dd4cc57201ac0b97aa60eea0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1529015
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#642986}
3 files changed