Add address mask to MinidumpCrashpadInfo.

Support reading both old and new crashpad_info structs.

Change-Id: I780792988671683fedfbb5122fe8a14bf0a8b793
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/3982824
Reviewed-by: Mark Mentovai <mark@chromium.org>

src/google_breakpad/common/minidump_format.h

@@ -1118,6 +1118,8 @@ typedef struct {
   MDGUID client_id;
   MDLocationDescriptor simple_annotations;  /* MDRawSimpleStringDictionary */
   MDLocationDescriptor module_list;  /* MDRawModuleCrashpadInfoList */
+  uint32_t reserved;
+  uint64_t address_mask;
 } MDRawCrashpadInfo;
 
 #if defined(_MSC_VER)