Update prebuilts to ab/2774618
am: 7475602

* commit '7475602d26922903d557080ad177e2cb74d3cf81':
  Update prebuilts to ab/2774618

Change-Id: I09195398c491b2c1e780d42c12b7d2703c02872c
diff --git a/ninja b/ninja
index 0460cb5..4d9e2c6 100755
--- a/ninja
+++ b/ninja
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