Add the archiving sysprop check to launcher3.

This system property will be used to test the feature
in DVT. This is required because the new device is built on U QPR3, not V. See
https://docs.google.com/document/d/1h8sLlnnhwGP4uZssglBqTShMoQcEq5dvR7jsJmmp0Cw/edit?resourcekey=0-KTFHkPKTdtMN-5kQYBWJig&tab=t.0#heading=h.x9snb54sjlu9  for more details.

Test: tested manually
Flag: ACONFIG com.android.launcher3.enable_support_for_archiving TEAMFOOD

Change-Id: Ie64a40ba799c81057258dd7de3872a0494cff2d8