chore: Use call timeout for HttpOptions.timeout in Java GenAI SDK.

Co-authored-by: Edmund Kohlwey <ed@irl.llc>
PiperOrigin-RevId: 828998640

Author: 2 people

src/main/java/com/google/genai/ApiClient.java

@@ -231,7 +231,7 @@ private OkHttpClient createHttpClient(
 
     httpOptions
         .timeout()
-        .ifPresent(connectTimeout -> builder.connectTimeout(Duration.ofMillis(connectTimeout)));
+        .ifPresent(timeout -> builder.callTimeout(Duration.ofMillis(timeout)));
 
     HttpRetryOptions retryOptions =
         httpOptions.retryOptions().orElse(HttpRetryOptions.builder().build());

src/test/java/com/google/genai/HttpApiClientTest.java

@@ -872,7 +872,7 @@ public void testHttpClientMLDevTimeout() throws Exception {
     OkHttpClient httpClient = client.httpClient();
     assertNotNull(httpClient);
 
-    assertEquals(5000, httpClient.connectTimeoutMillis());
+    assertEquals(5000, httpClient.callTimeoutMillis());
     assertEquals(API_KEY, client.apiKey());
     assertFalse(client.vertexAI());
   }
@@ -892,7 +892,7 @@ public void testHttpClientVertexTimeout() throws Exception {
     OkHttpClient httpClient = client.httpClient();
     assertNotNull(httpClient);
 
-    assertEquals(4999, httpClient.connectTimeoutMillis());
+    assertEquals(4999, httpClient.callTimeoutMillis());
     assertEquals(PROJECT, client.project());
     assertEquals(LOCATION, client.location());
     assertTrue(client.vertexAI());