update to newer googletest

This matches the version used in Chromium.

Change-Id: I1b697c7f79a4e628cecf96f6abc3e5dacac0888a
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2605357
Reviewed-by: Mark Mentovai <mark@chromium.org>

src/processor/stackwalker_address_list_unittest.cc

@@ -56,6 +56,7 @@ using google_breakpad::StackwalkerAddressList;
 using std::vector;
 using testing::_;
 using testing::AnyNumber;
+using testing::DoAll;
 using testing::Return;
 using testing::SetArgumentPointee;
 

src/processor/stackwalker_mips64_unittest.cc

@@ -65,6 +65,7 @@ using google_breakpad::test_assembler::Section;
 using std::vector;
 using testing::_;
 using testing::AnyNumber;
+using testing::DoAll;
 using testing::Return;
 using testing::SetArgumentPointee;
 using testing::Test;

src/processor/stackwalker_mips_unittest.cc

@@ -64,6 +64,7 @@ using google_breakpad::test_assembler::Section;
 using std::vector;
 using testing::_;
 using testing::AnyNumber;
+using testing::DoAll;
 using testing::Return;
 using testing::SetArgumentPointee;
 using testing::Test;