Add visibility for core tests

Allow core tests to use hidden connectivity APIs. Benchmark tests in
particular cannot be run without these.

Ignore-AOSP-First: Avoiding merge conflicts, cherry-pick will follow
Bug: 197717846
Test: m
  (cherry-picked from ag/16772124)
Change-Id: Ia01f24317d14b063f9a7e24c3ada11b140641c50
Merged-In: Ia01f24317d14b063f9a7e24c3ada11b140641c50
diff --git a/framework/Android.bp b/framework/Android.bp
index 921c4fb..da16a8d 100644
--- a/framework/Android.bp
+++ b/framework/Android.bp
@@ -131,6 +131,9 @@
         "//cts/tests/tests/app.usage", // NetworkUsageStatsTest
         "//external/sl4a:__subpackages__",
         "//frameworks/base/packages/Connectivity/tests:__subpackages__",
+        "//frameworks/base/core/tests/bandwidthtests",
+        "//frameworks/base/core/tests/benchmarks",
+        "//frameworks/base/core/tests/utillib",
         "//frameworks/base/tests/vcn",
         "//frameworks/libs/net/common/testutils",
         "//frameworks/libs/net/common/tests:__subpackages__",