Fix NPE in QuickContactActivity

Return Pair of nulls to callers instead of single null when get invalid
request so that they can dereference first and second without null checking
the Pair object itself.

Bug:17360477
Change-Id: I2a11fe4c39e0004aae95c9240b331a4fa654d58a
1 file changed
tree: ab325fc02fb0aa6952c1d55d599000aadd344492
  1. src/
  2. TestCommon/
  3. tests/