Add shared jarjar rule for tethering tests

Also jarjar com.android.net.module.util* to
com.android.networkstack.tethering.util*.

Bug: 171670016
Test: atest TetheringCoverageTests
Change-Id: I3bde9ad3c41adf36da99bd944303d88ce992201c
diff --git a/Tethering/tests/unit/Android.bp b/Tethering/tests/unit/Android.bp
index 45c7b65..3589725 100644
--- a/Tethering/tests/unit/Android.bp
+++ b/Tethering/tests/unit/Android.bp
@@ -67,7 +67,6 @@
         "libdexmakerjvmtiagent",
         "libstaticjvmtiagent",
     ],
-    jarjar_rules: "jarjar-rules.txt",
 }
 
 // Library containing the unit tests. This is used by the coverage test target to pull in the
@@ -88,6 +87,7 @@
         "device-tests",
         "mts",
     ],
+    jarjar_rules: ":TetheringTestsJarJarRules",
     defaults: ["TetheringTestsDefaults"],
     compile_multilib: "both",
 }
diff --git a/Tethering/tests/unit/jarjar-rules.txt b/Tethering/tests/unit/jarjar-rules.txt
deleted file mode 100644
index 7ed8963..0000000
--- a/Tethering/tests/unit/jarjar-rules.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-# Don't jar-jar the entire package because this test use some
-# internal classes (like ArrayUtils in com.android.internal.util)
-rule com.android.internal.util.BitUtils* com.android.networkstack.tethering.util.BitUtils@1
-rule com.android.internal.util.IndentingPrintWriter.java* com.android.networkstack.tethering.util.IndentingPrintWriter.java@1
-rule com.android.internal.util.IState.java* com.android.networkstack.tethering.util.IState.java@1
-rule com.android.internal.util.MessageUtils* com.android.networkstack.tethering.util.MessageUtils@1
-rule com.android.internal.util.State* com.android.networkstack.tethering.util.State@1
-rule com.android.internal.util.StateMachine* com.android.networkstack.tethering.util.StateMachine@1
-rule com.android.internal.util.TrafficStatsConstants* com.android.networkstack.tethering.util.TrafficStatsConstants@1
-
-rule android.util.LocalLog* com.android.networkstack.tethering.util.LocalLog@1
-
-# TODO: either stop using frameworks-base-testutils or remove the unit test classes it contains.
-# TestableLooper from "testables" can be used instead of TestLooper from frameworks-base-testutils.
-zap android.os.test.TestLooperTest*
-zap com.android.test.filters.SelectTestTests*
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