Update cheetah SVN to 54

Bug: 325156176
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:0664cb1d0993a3999b34943d0fca55cfd8201334)
Merged-In: I1aa6b83a8eaf2f6719b0aa534359ec0c4c2f9f69
Change-Id: I1aa6b83a8eaf2f6719b0aa534359ec0c4c2f9f69
1 file changed