Make javadoc <p> style guide compliant

This led to confusion for an open source contributor about how to format
code. We don't want to be like, "do as I say, not as I do."

https://google.github.io/styleguide/javaguide.html#s7.1.2-javadoc-paragraphs
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=122589700

java/google/registry/model/domain/fee/BaseFeeCommand.java

@@ -32,8 +32,8 @@ public class BaseFeeCommand extends ImmutableObject {
 
   /**
    * The magnitude of the fee, in the specified units, with an optional description.
-   * <p>
-   * This is a list because a single operation can involve multiple fees.
+   *
+   * <p>This is a list because a single operation can involve multiple fees.
    */
   @XmlElement(name = "fee")
   List<Fee> fees;

java/google/registry/model/domain/fee/BaseFeeCommandResponse.java

@@ -34,8 +34,8 @@ public class BaseFeeCommandResponse extends ImmutableObject {
 
   /**
    * The magnitude of the fee, in the specified units, with an optional description.
-   * <p>
-   * This is a list because a single operation can involve multiple fees.
+   *
+   * <p>This is a list because a single operation can involve multiple fees.
    */
   List<Fee> fee;
 

java/google/registry/model/domain/fee/BaseFeeResponse.java

@@ -43,15 +43,15 @@ public class BaseFeeResponse extends ImmutableObject {
 
   /**
    * The magnitude of the fee, in the specified units, with an optional description.
-   * <p>
-   * This is a list because a single operation can involve multiple fees.
+   *
+   * <p>This is a list because a single operation can involve multiple fees.
    */
   List<Fee> fee;
 
   /**
    * The type of the fee.
-   * <p>
-   * We will use "premium" for fees on premium names, and omit the field otherwise.
+   *
+   * <p>We will use "premium" for fees on premium names, and omit the field otherwise.
    */
   @XmlElement(name = "class")
   String feeClass;

java/google/registry/model/domain/fee/FeeDeleteResponseExtension.java

@@ -39,8 +39,8 @@ public class FeeDeleteResponseExtension extends ImmutableObject implements Respo
 
   /**
    * The magnitude of the credit(s), in the specified units, with an optional description.
-   * <p>
-   * This is a list because a single delete can receive multiple credits.
+   *
+   * <p>This is a list because a single delete can receive multiple credits.
    */
   @XmlElement(name = "credit")
   List<Credit> credits;