Track movement of some libcore/tzdata files

Some files in libcore/tzdata are moving to system/timezone
under the package com.android.timezone.distro.

To run tests:
make -j30 FrameworksServicesTests
adb install -r -g "out/target/product/angler/data/app/FrameworksServicesTests/FrameworksServicesTests.apk"
adb shell am instrument -e package com.android.server.timezone -w com.android.frameworks.servicestests \
        "com.android.frameworks.servicestests/android.support.test.runner.AndroidJUnitRunner"

Test: See above.
Bug: 31008728
Merged-In: I2600dd4bee22a571b9eb7303733591b60d1a8b2a
Change-Id: I2600dd4bee22a571b9eb7303733591b60d1a8b2a
diff --git a/services/core/java/com/android/server/timezone/RulesManagerService.java b/services/core/java/com/android/server/timezone/RulesManagerService.java
index 82bd356..bbb7782 100644
--- a/services/core/java/com/android/server/timezone/RulesManagerService.java
+++ b/services/core/java/com/android/server/timezone/RulesManagerService.java
@@ -18,6 +18,9 @@
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.server.SystemService;
+import com.android.timezone.distro.DistroException;
+import com.android.timezone.distro.DistroVersion;
+import com.android.timezone.distro.StagedDistroOperation;
 
 import android.app.timezone.Callback;
 import android.app.timezone.DistroFormatVersion;
@@ -36,9 +39,6 @@
 import java.util.Arrays;
 import java.util.concurrent.Executor;
 import java.util.concurrent.atomic.AtomicBoolean;
-import libcore.tzdata.shared2.DistroException;
-import libcore.tzdata.shared2.DistroVersion;
-import libcore.tzdata.shared2.StagedDistroOperation;
 import libcore.tzdata.update2.TimeZoneDistroInstaller;
 
 // TODO(nfuller) Add EventLog calls where useful in the system server.