Alter how relocation packing cuts holes from libchrome.so.

tools/relocation_packer/src/elf_traits.h

Index: tools/relocation_packer/src/elf_traits.h
diff --git a/tools/relocation_packer/src/elf_traits.h b/tools/relocation_packer/src/elf_traits.h
index 1004767542b16db7392f35e3e577e1cdd2e76e56..f099bab60383ae3d70ca3d80b1ed898778719e39 100644
--- a/tools/relocation_packer/src/elf_traits.h
+++ b/tools/relocation_packer/src/elf_traits.h
@@ -57,6 +57,7 @@ struct ELF {
   enum { kFileClass = ELFCLASS32 };
   enum { kRelativeRelocationCode = R_ARM_RELATIVE };
   enum { kNoRelocationCode = R_ARM_NONE };
+  enum { kGnuStackSegmentAlignment = 0 };
 
   static inline const char* Machine() { return "ARM"; }
 
@@ -90,6 +91,7 @@ struct ELF {
   enum { kFileClass = ELFCLASS64 };
   enum { kRelativeRelocationCode = R_AARCH64_RELATIVE };
   enum { kNoRelocationCode = R_AARCH64_NONE };
+  enum { kGnuStackSegmentAlignment = 16 };
 
   static inline const char* Machine() { return "ARM64"; }