[Clank SSM]: Fix check in ReadElfBuildId.

The comparison was too strict.
In practise, there's only one PT_NOTE segment, so early exit doesn't affect
behavior. For correctness, we should keep looking for other segment.

Change-Id: I49fb7ab3c7361d4ed6ea1d6f3a0c56db24dc13cf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1948497
Commit-Queue: Wez <wez@chromium.org>
Reviewed-by: Wez <wez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#721182}

base/debug/elf_reader.cc

@@ -111,7 +111,7 @@ size_t ReadElfBuildId(const void* elf_mapped_base,
       size_t section_size = bits::Align(current_note->n_namesz, 4) +
                             bits::Align(current_note->n_descsz, 4) +
                             sizeof(Nhdr);
-      if (section_size >= static_cast<size_t>(section_end - current_section))
+      if (section_size > static_cast<size_t>(section_end - current_section))
         return 0;
       current_section += section_size;
     }