Revert "Fix `symbol not found` error for hidden apis used by MTS"

This reverts commit 5f44ed3e.

Reason for revert: The symbol not found error was a transient build failure.

Change-Id: Iada1a0bc9c2282286c1e3b972de42e6387c901d6

Cronet/tests/mts/Android.bp

@@ -47,9 +47,7 @@ android_library {
     ],
     libs: [
         "android.test.base",
-        // Needed for direct access to tethering's hidden apis and to avoid `symbol not found`
-        // errors on some builds.
-        "framework-tethering.impl",
+        "framework-tethering-pre-jarjar",
         // android.net.Network apis
         "framework-connectivity",
         // android.net.TrafficStats apis

Tethering/common/TetheringLib/Android.bp

@@ -54,7 +54,6 @@ java_sdk_library {
         "//packages/modules/CaptivePortalLogin/tests",
         "//packages/modules/Connectivity/Tethering/tests:__subpackages__",
         "//packages/modules/Connectivity/tests:__subpackages__",
-        "//packages/modules/Connectivity/Cronet/tests:__subpackages__",
         "//packages/modules/IPsec/tests/iketests",
         "//packages/modules/NetworkStack/tests:__subpackages__",
         "//packages/modules/Wifi/service/tests/wifitests",