cronet: add missing test to Build file

Change-Id: Ieacb590f706d6969ef36baea81195efcada72ca9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3968497
Commit-Queue: Chidera Olibie <colibie@google.com>
Reviewed-by: Stefano Duo <stefanoduo@google.com>
Cr-Commit-Position: refs/heads/main@{#1062742}
diff --git a/components/cronet/android/BUILD.gn b/components/cronet/android/BUILD.gn
index cbdabbc2..16e3bbfd 100644
--- a/components/cronet/android/BUILD.gn
+++ b/components/cronet/android/BUILD.gn
@@ -1034,6 +1034,7 @@
       "test/javatests/src/org/chromium/net/TestNetworkQualityRttListener.java",
       "test/javatests/src/org/chromium/net/TestNetworkQualityThroughputListener.java",
       "test/javatests/src/org/chromium/net/UrlResponseInfoTest.java",
+      "test/javatests/src/org/chromium/net/apihelpers/ContentTypeParametersParserTest.java",
       "test/javatests/src/org/chromium/net/apihelpers/UploadDataProvidersTest.java",
       "test/javatests/src/org/chromium/net/impl/CronetLoggerTest.java",
       "test/javatests/src/org/chromium/net/impl/CronetManifestTest.java",