Roll src/src/third_party/lss/ 8048ece6c..f70e2f164 (3 commits)

https://chromium.googlesource.com/linux-syscall-support/+log/8048ece6c16c..f70e2f1641e2

$ git log 8048ece6c..f70e2f164 --date=short --no-merges --format='%ad %ae %s'
2020-01-22 mforney Avoid conflict with pread64/pwrite64 defined by libc
2019-12-05 jperaza arm, ppc, mips32: fix fallocate and add tests
2019-11-13 jperaza Add sigtimedwait and sigprocmask wrappers

Created with:
  roll-dep src/src/third_party/lss

Change-Id: I63e1e0722a338875f53884565ea4c2706ec67037
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2020986
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/DEPS b/DEPS
index 29f93e2..4c91a5f 100644
--- a/DEPS
+++ b/DEPS
@@ -51,7 +51,7 @@
   # Linux syscall support.
   "src/src/third_party/lss":
     "https://chromium.googlesource.com/linux-syscall-support/" +
-      "@8048ece6c16c91acfe0d36d1d3cc0890ab6e945c",
+      "@f70e2f1641e280e777edfdad7f73a2cfa38139c7",
 }
 
 hooks = [