gh-116472: Replace literal newlines with escape characters in MSBuild files (GH-116473) am: bb6b562da7 am: ac8a72a99c

Original change: https://android-review.googlesource.com/c/platform/external/python/cpython3/+/2999960

Change-Id: Ic66942621526472430b9544f7aa418a81eaa4256
Signed-off-by: Automerger Merge Worker <[email protected]>