Rename ServerGpuMemoryBufferManager to HostGpuMemoryBufferManager

BUG=733482

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel
Change-Id: I2e886c67eb09f89a1bf8ddcdfc83bd8382dfa907
Reviewed-on: https://chromium-review.googlesource.com/1140918
Commit-Queue: Mohsen Izadi <mohsen@chromium.org>
Reviewed-by: danakj <danakj@chromium.org>
Reviewed-by: Sadrul Chowdhury <sadrul@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576183}
9 files changed