WifiTracker: Add showToast parameter to MergedCarrierEntry#connect()

Add a boolean "showToast" parameter to MergedCarrierEntry#connect() to
control whether or not to show the "Wi-Fi won't autoconnect for now"
toast. This is intended for Internet Panel to supply their own
SystemUIToast of this message to display over Quick Settings, which
cannot have normal toasts appear over it.

Bug: 192923855
Test: build
Change-Id: Id8ae5237712979b75ce0a04c7a40962f5d2c218c
(cherry picked from commit 83a2d8d700f6689e85eeea58658cd273980cbd5e)
Merged-In: Id8ae5237712979b75ce0a04c7a40962f5d2c218c
1 file changed