Add uninstall behavior to TzDataBundleInstaller

Add uninstall behavior to TzDataBundleInstaller. This will
be used to reset devices to "factory fresh" (if only during
GTS tests).

Bug: 31008728
Test: mmm libcore/tzdata and ran tests using vogar
Change-Id: If0f0bd7ea031d9f529f9eb0fdeac7befffa29541
2 files changed