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
Change-Id: Ia01f24317d14b063f9a7e24c3ada11b140641c50
diff --git a/Tethering/common/TetheringLib/Android.bp b/Tethering/common/TetheringLib/Android.bp
index 51c200b..9ca3f14 100644
--- a/Tethering/common/TetheringLib/Android.bp
+++ b/Tethering/common/TetheringLib/Android.bp
@@ -26,6 +26,9 @@
         // Using for test only
         "//cts/tests/netlegacy22.api",
         "//external/sl4a:__subpackages__",
+        "//frameworks/base/core/tests/bandwidthtests",
+        "//frameworks/base/core/tests/benchmarks",
+        "//frameworks/base/core/tests/utillib",
         "//frameworks/base/packages/Connectivity/tests:__subpackages__",
         "//frameworks/base/tests/vcn",
         "//frameworks/libs/net/common/testutils",