Import Cobalt 19.master.0.188393

Includes the following patches:
  https://cobalt-review.googlesource.com/c/cobalt/+/4970
    by milko.leporis@mips.com
  https://cobalt-review.googlesource.com/c/cobalt/+/4990
    by z102.zhang@samsung.com

Change-Id: I9ac637c775da20fe2ddf4a1337b70c896cee4e27
diff --git a/src/third_party/musl/arch/mips/bits/posix.h b/src/third_party/musl/arch/mips/bits/posix.h
new file mode 100644
index 0000000..30a3871
--- /dev/null
+++ b/src/third_party/musl/arch/mips/bits/posix.h
@@ -0,0 +1,2 @@
+#define _POSIX_V6_ILP32_OFFBIG  1
+#define _POSIX_V7_ILP32_OFFBIG  1