Refer to Datastore everywhere correctly by its capitalized form

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=147479683

java/google/registry/rde/DepositFragment.java

@@ -17,7 +17,7 @@ package google.registry.rde;
 import com.google.auto.value.AutoValue;
 import java.io.Serializable;
 
-/** Container of datastore resource marshalled by {@link RdeMarshaller}. */
+/** Container of Datastore resource marshalled by {@link RdeMarshaller}. */
 @AutoValue
 public abstract class DepositFragment implements Serializable {
 

java/google/registry/rde/EscrowTaskRunner.java

@@ -41,7 +41,7 @@ import org.joda.time.Duration;
  * <p>{@link Lock} is used to ensure only one task executes at a time for a given
  * {@code LockedCursorTask} subclass + TLD combination. This is necessary because App Engine tasks
  * might double-execute. Normally tasks solve this by being idempotent, but that's not possible for
- * RDE, which writes to a GCS filename with a deterministic name. So the datastore is used to to
+ * RDE, which writes to a GCS filename with a deterministic name. So Datastore is used to to
  * guarantee isolation. If we can't acquire the lock, it means the task is already running, so
  * {@link NoContentException} is thrown to cancel the task.
  *
@@ -62,7 +62,7 @@ class EscrowTaskRunner {
     /**
      * Performs task logic while the lock is held.
      *
-     * @param watermark the logical time for a point-in-time view of datastore
+     * @param watermark the logical time for a point-in-time view of Datastore
      */
     abstract void runWithLock(DateTime watermark) throws Exception;
   }

java/google/registry/rde/PendingDepositChecker.java

@@ -48,7 +48,7 @@ import org.joda.time.Duration;
  *
  * <p>If no deposits have been made so far, then {@code startingPoint} is used as the watermark
  * of the next deposit. If that's a day in the future, then escrow won't start until that date.
- * This first deposit time will be set to datastore in a transaction.
+ * This first deposit time will be set to Datastore in a transaction.
  */
 public final class PendingDepositChecker {
 

java/google/registry/rde/RdeStagingAction.java

@@ -49,7 +49,7 @@ import org.joda.time.Duration;
  * If there's nothing to deposit, we return 204 No Content; otherwise, we fire off a MapReduce job
  * and redirect to its status GUI.
  *
- * <p>The mapreduce job scans every {@link EppResource} in datastore. It maps a point-in-time
+ * <p>The mapreduce job scans every {@link EppResource} in Datastore. It maps a point-in-time
  * representation of each entity to the escrow XML files in which it should appear.
  *
  * <p>There is one map worker for each {@code EppResourceIndexBucket} entity group shard. There is
@@ -80,7 +80,7 @@ import org.joda.time.Duration;
  *
  * <p>Valid model objects might not be valid to the RDE XML schema. A single invalid object will
  * cause the whole deposit to fail. You need to check the logs, find out which entities are broken,
- * and perform datastore surgery.
+ * and perform Datastore surgery.
  *
  * <p>If a deposit fails, an error is emitted to the logs for each broken entity. It tells you the
  * key and shows you its representation in lenient XML.

java/google/registry/rde/RdeStagingMapper.java

@@ -68,7 +68,7 @@ public final class RdeStagingMapper extends Mapper<EppResource, PendingDeposit,
       return;
     }
 
-    // Skip polymorphic entities that share datastore kind.
+    // Skip polymorphic entities that share Datastore kind.
     if (!(resource instanceof ContactResource
         || resource instanceof DomainResource
         || resource instanceof HostResource)) {

java/google/registry/rde/imports/RdeHostLinkAction.java

@@ -47,10 +47,10 @@ import org.joda.time.DateTime;
  * A mapreduce that links hosts from an escrow file to their superordinate domains.
  *
  * <p>This mapreduce is run as the last step of the process of importing escrow files. For each host
- * in the escrow file, the corresponding {@link HostResource} record in the datastore is linked to
- * its superordinate {@link DomainResource} only if it is an in-zone host. This is necessary because
- * all hosts must exist before domains can be imported, due to references in host objects, and
- * domains must exist before hosts can be linked to their superordinate domains.
+ * in the escrow file, the corresponding {@link HostResource} record in Datastore is linked to its
+ * superordinate {@link DomainResource} only if it is an in-zone host. This is necessary because all
+ * hosts must exist before domains can be imported, due to references in host objects, and domains
+ * must exist before hosts can be linked to their superordinate domains.
  *
  * <p>Specify the escrow file to import with the "path" parameter.
  */