Set minHeight of the password field in Shared Hotspot

- Set minHeight to @dimen/min_tap_target_size(48dp)

Fix: 318617636
Test: unit test
make RunSettingsRoboTests ROBOTEST_FILTER=com.android.settings.wifi.dpp

Change-Id: I794862bac82eb37b168263e2e472cba26ba34647
1 file changed