Add //base:jni_java to cronet_javatests_deps_to_package.

Fixes downstream desugar error after
https://chromium.googlesource.com/chromium/src/+/556c657dade824fd17dbb30bedbe002bc11ee9f9

Change-Id: I88e0f2661016129deb21dc49c91c91055f5fb94a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2015668Reviewed-by: Zhongyi Shi <zhongyi@chromium.org>
Commit-Queue: Matt Mueller <mattm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734240}

components/cronet/android/BUILD.gn

@@ -929,6 +929,7 @@ if (!is_component_build) {
     ":cronet_test_apk_java",
     "//base:base_java",
     "//base:base_java_test_support",
+    "//base:jni_java",
     "//net/android:embedded_test_server_aidl_java",
     "//net/android:net_java",
     "//net/android:net_java_test_support",