Change action WIFI_DPP_CONFIGURATOR_CHOOSE_SAVED_WIFI_NETWORK to
PROCESS_WIFI_DPP_QR_CODE for more intuitive naming.

This change also caches the Wi-Fi DPP QR code in activity for
fragment to use.

Bug: 118794978
Test: manual test
Change-Id: I4bdb021883cb21ce7cc56edf656d1eee079359e5
3 files changed