Add style parents dump command.

This command prints out the parent graph of a given style

Test: out/host/linux-x86/bin/aapt2 dump styleparents \
    --style Widget.MaterialComponents.TextInputLayout.FilledBox \
    out/target/product/generic_x86/system/priv-app/SystemUIGoogle/SystemUIGoogle.apk
Change-Id: Ib2ace7e90bee6f1c4b6a184edc591b1a3993db75