Add HttpHeaders.CDN_CACHE_CONTROL; see https://datatracker.ietf.org/doc/html/rfc9213

RELNOTES=`net`: Added `HttpHeaders.CDN_CACHE_CONTROL`.
PiperOrigin-RevId: 874584961

Author: java-team-github-bot

android/guava-tests/test/com/google/common/net/HttpHeadersTest.java

@@ -56,8 +56,8 @@ public void testConstantNameMatchesString() throws Exception {
             .buildOrThrow();
     ImmutableSet<String> uppercaseAcronyms =
         ImmutableSet.of(
-            "CH", "ID", "DNT", "DNS", "DPR", "ECT", "GPC", "HTTP2", "IP", "MD5", "P3P", "RTT", "TE",
-            "UA", "UID", "URL", "WWW", "XSS");
+            "CDN", "CH", "ID", "DNT", "DNS", "DPR", "ECT", "GPC", "HTTP2", "IP", "MD5", "P3P",
+            "RTT", "TE", "UA", "UID", "URL", "WWW", "XSS");
 
     for (Field field : httpHeadersFields()) {
       assertEquals(

android/guava/src/com/google/common/net/HttpHeaders.java

@@ -265,6 +265,14 @@ private ReferrerPolicyValues() {}
   /** The HTTP {@code Allow} header field name. */
   public static final String ALLOW = "Allow";
 
+  /**
+   * The HTTP <a href="https://datatracker.ietf.org/doc/rfc9213/">{@code CDN-Cache-Control}</a>
+   * header field name.
+   *
+   * @since NEXT
+   */
+  public static final String CDN_CACHE_CONTROL = "CDN-Cache-Control";
+
   /** The HTTP {@code Content-Disposition} header field name. */
   public static final String CONTENT_DISPOSITION = "Content-Disposition";
 

guava-tests/test/com/google/common/net/HttpHeadersTest.java

@@ -56,8 +56,8 @@ public void testConstantNameMatchesString() throws Exception {
             .buildOrThrow();
     ImmutableSet<String> uppercaseAcronyms =
         ImmutableSet.of(
-            "CH", "ID", "DNT", "DNS", "DPR", "ECT", "GPC", "HTTP2", "IP", "MD5", "P3P", "RTT", "TE",
-            "UA", "UID", "URL", "WWW", "XSS");
+            "CDN", "CH", "ID", "DNT", "DNS", "DPR", "ECT", "GPC", "HTTP2", "IP", "MD5", "P3P",
+            "RTT", "TE", "UA", "UID", "URL", "WWW", "XSS");
 
     for (Field field : httpHeadersFields()) {
       assertEquals(

guava/src/com/google/common/net/HttpHeaders.java

@@ -265,6 +265,14 @@ private ReferrerPolicyValues() {}
   /** The HTTP {@code Allow} header field name. */
   public static final String ALLOW = "Allow";
 
+  /**
+   * The HTTP <a href="https://datatracker.ietf.org/doc/rfc9213/">{@code CDN-Cache-Control}</a>
+   * header field name.
+   *
+   * @since NEXT
+   */
+  public static final String CDN_CACHE_CONTROL = "CDN-Cache-Control";
+
   /** The HTTP {@code Content-Disposition} header field name. */
   public static final String CONTENT_DISPOSITION = "Content-Disposition";