Gradle smoke test build retry dependency fetch (#3427)

Author: SergeyRyabinin

tools/code-generation/smithy/codegen/gradle.properties

@@ -1 +1,11 @@
-org.gradle.jvmargs=-Xmx6g
+org.gradle.jvmargs=-Xmx6g
+
+# Set the socket timeout to 5 minutes
+systemProp.org.gradle.internal.http.connectionTimeout=120000
+systemProp.org.gradle.internal.http.socketTimeout=120000
+
+# the number of retries (initial included) (default 3)
+systemProp.org.gradle.internal.repository.max.tentative=10
+
+# the initial time before retrying, in milliseconds (default 125)
+systemProp.org.gradle.internal.repository.initial.backoff=500