[fuchsia] Add "fuchsia.device.NameProvider" to the sandbox policy.

A change in Fuchsia will soon require the
"fuchsia.device.NameProvider" service for gethostname and uname to
work properly and report the proper name. This updates all the
sandbox_policy files in Chromium to include this service.

Bug: 977378
Change-Id: I226a62ff0912cd6f5244b52599b47d4ea9033658
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1669661Reviewed-by: Wez <wez@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>
Commit-Queue: Fabrice de Gans-Riberi <fdegans@chromium.org>
Auto-Submit: Fabrice de Gans-Riberi <fdegans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#671456}

build/config/fuchsia/testing_sandbox_policy

@@ -6,6 +6,7 @@
       "vulkan" ],
   "dev": ["null", "zero"],
   "services": [
+      "fuchsia.device.NameProvider",
       "fuchsia.fonts.Provider",
       "fuchsia.logger.Log",
       "fuchsia.logger.LogSink",

chromecast/cast_shell_sandbox_policy

@@ -8,6 +8,7 @@
   "services": [
       "fuchsia.bluetooth.gatt.Server",
       "fuchsia.bluetooth.le.Peripheral",
+      "fuchsia.device.NameProvider",
       "fuchsia.fonts.Provider",
       "fuchsia.media.Audio",
       "fuchsia.mediacodec.CodecFactory",

fuchsia/engine/integration_tests_sandbox_policy

@@ -4,6 +4,7 @@
       "deprecated-shell",
       "system-temp" ],
   "services": [
+      "fuchsia.device.NameProvider",
       "fuchsia.logger.LogSink",
       "fuchsia.net.SocketProvider",
       "fuchsia.netstack.Netstack",

fuchsia/http/sandbox_policy

 {
   "features": [ "root-ssl-certificates" ],
   "services": [
+      "fuchsia.device.NameProvider",
       "fuchsia.logger.LogSink",
       "fuchsia.net.SocketProvider",
       "fuchsia.netstack.Netstack"

fuchsia/runners/cast/sandbox_policy

@@ -2,6 +2,7 @@
   "features": [],
   "services": [
       "chromium.cast.ApplicationConfigManager",
+      "fuchsia.device.NameProvider",
       "fuchsia.fonts.Provider",
       "fuchsia.logger.LogSink",
       "fuchsia.media.Audio",

fuchsia/runners/web/sandbox_policy

@@ -3,6 +3,7 @@
     "isolated-persistent-storage"
   ],
   "services": [
+      "fuchsia.device.NameProvider",
       "fuchsia.fonts.Provider",
       "fuchsia.logger.LogSink",
       "fuchsia.media.Audio",