Use HINT_FROM_SOONG if ninja_log doesn't exist

In non-incremental build, there is no ninja_log. For this case, use
HINT_FROM_SOONG as an alternative solution.

Bug: 273947040
Test: 1.m after removing out/.ninja_log
      2.check if non-incremental CI build uses HINT_FROM_SOOONG
      3.check if incremental CI build uses NINJA_LOG
      4.check if there is no regression in CUJ
Change-Id: I00cd216df096cb2288eeab233729acefb0d1b73c