Loosen speed check for first GPS location

As it is often found in a short integration
window with very high Doppler uncertainty.

Bug: 67877519
Merged-In: Ia05359f572f4ea7be81f9d5fe30bd619322bebd3
Test: Verified Pixel still passes VTS
Change-Id: Ia05359f572f4ea7be81f9d5fe30bd619322bebd3