Update locked device icon in FingerprintEnrollIntroduction

Changes locked device icon in FingerprintEnrollIntroduction to be form
factor agnostic

Test: (manual) navigate to FingerprintEnrollIntroduction and observe new
asset
Fixes: 268588691

Change-Id: I747a52319671c7b0f337f0a1c39a529da65b3f43
2 files changed