Use flattened Time Zone Data APEX contents in ART chroot-based device testing.

Copy the contents of the flattened Time Zone Data Module
directory (`/system/apex/com.android.tzdata`) to
`/apex/com.android.tzdata` within the chroot directory on the device.

Test: ART chroot-based on-device testing using the master-art branch
Test: ART chroot-based on-device testing using the master branch (with
      `TARGET_FLATTEN_APEX` set to `true` before building).
Bug: 132169989
Bug: 121117762

Change-Id: I9d99a465609f0c6d2065268f2a09a82e45a3fa32
2 files changed