[dsymutil] Use a regex in the static-archive-collision.test

Windows and Unix use different epochs: 1970-01-01 00:00:00.000000000 and
1969-12-31 16:00:00.000000000 respectively.

(cherry picked from commit 9cacc22)

Author: JDevlieghere

llvm/test/tools/dsymutil/ARM/static-archive-collision.test

@@ -21,6 +21,6 @@ $ libtool -static f/foo.o g/foo.o -o foo.a
 $ clang main.o foo.a -o main.out
 
 RUN: dsymutil -oso-prepend-path %p/../Inputs %p/../Inputs/private/tmp/collision/main.out --dump-debug-map 2>&1 | FileCheck %s
-CHECK: skipping debug map object with duplicate name and timestamp: 1969-12-31 16:00:00.000000000 /private/tmp/collision/foo.a(foo.o)
+CHECK: skipping debug map object with duplicate name and timestamp: {{.*}} /private/tmp/collision/foo.a(foo.o)
 CHECK-NOT: could not find object file symbol for symbol _g
 CHECK-NOT: could not find object file symbol for symbol _f