Update favicon piece.ico

Added 48x48 version of the logo to the already existing 16x16 and 32x32 icons.

Bug: 58164
Change-Id: Ia8dd3f3c91387d5e194bb62a6280faa8039a77b9
Update favicon wikiquote.ico

Bug: 58183
Change-Id: I2ddf4f8a2d935e87019586472dbf58531c960335