Set log level to SEVERE for the java http client.

Author: tikurahul

gcpbuildcache/src/main/kotlin/androidx/build/gradle/gcpbuildcache/GcpTransportOptions.kt

@@ -18,8 +18,11 @@
 package androidx.build.gradle.gcpbuildcache
 
 import com.google.api.client.http.HttpRequestInitializer
+import com.google.api.client.http.HttpTransport
 import com.google.cloud.ServiceOptions
 import com.google.cloud.http.HttpTransportOptions
+import java.util.logging.Level
+import java.util.logging.Logger
 
 /**
  * Sets up transport options and disables logging.
@@ -33,4 +36,12 @@ internal class GcpTransportOptions(builder: Builder) : HttpTransportOptions(buil
             initializer.initialize(it)
         }
     }
+
+    companion object {
+        init {
+            // Force log level to config
+            val logger = Logger.getLogger(HttpTransport::class.java.name)
+            logger.level = Level.SEVERE
+        }
+    }
 }