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