Change EppMetric.Builder to use @AutoValue.Builder

Getting rid of builder boilerplate makes my heart sing.  Since we can no
longer @Inject the Builder() constructor, this change adds a provider
in WhiteboxModule that calls a special builderForRequest() factory method,
which gets passed a request ID and Clock and preserves the existing
EppMetric magic that sets the start and end time for you.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=132714432

java/google/registry/module/frontend/FrontendRequestComponent.java

@@ -21,6 +21,7 @@ import google.registry.flows.EppConsoleAction;
 import google.registry.flows.EppTlsAction;
 import google.registry.flows.FlowComponent;
 import google.registry.flows.TlsCredentials.EppTlsModule;
+import google.registry.monitoring.whitebox.WhiteboxModule;
 import google.registry.rdap.RdapAutnumAction;
 import google.registry.rdap.RdapDomainAction;
 import google.registry.rdap.RdapDomainSearchAction;
@@ -50,6 +51,7 @@ import google.registry.whois.WhoisServer;
         RdapModule.class,
         RegistrarUserModule.class,
         RequestModule.class,
+        WhiteboxModule.class,
         WhoisModule.class,
     })
 interface FrontendRequestComponent {

java/google/registry/module/tools/BUILD

@@ -24,6 +24,7 @@ java_library(
         "//java/google/registry/keyring/api",
         "//java/google/registry/loadtest",
         "//java/google/registry/mapreduce",
+        "//java/google/registry/monitoring/whitebox",
         "//java/google/registry/request",
         "//java/google/registry/request:modules",
         "//java/google/registry/tools/server",

java/google/registry/module/tools/ToolsRequestComponent.java

@@ -22,6 +22,7 @@ import google.registry.flows.FlowComponent;
 import google.registry.loadtest.LoadTestAction;
 import google.registry.loadtest.LoadTestModule;
 import google.registry.mapreduce.MapreduceModule;
+import google.registry.monitoring.whitebox.WhiteboxModule;
 import google.registry.request.RequestModule;
 import google.registry.request.RequestScope;
 import google.registry.tools.server.CreateGroupsAction;
@@ -54,6 +55,7 @@ import google.registry.tools.server.javascrap.RefreshAllDomainsAction;
         MapreduceModule.class,
         RequestModule.class,
         ToolsServerModule.class,
+        WhiteboxModule.class,
     })
 interface ToolsRequestComponent {
   BackfillAutorenewBillingFlagAction backfillAutorenewBillingFlagAction();