Use ninja from main.

Ninja from emu-master-dev is too old to meet minimum requirements to
build Qt6 (>= 1.7.2).

Bug: 299464843
Test: N/A
Change-Id: I2ca4f70b4d621b59dac84439b41dc71583ed0bbc
1 file changed
tree: 1be1d8b81d3b0497f911e9cb5d4bbf7a6522bd42
  1. default.xml