zlib optimizations for ARM by Adenilson Cavalcanti

• zlib: where is it used?
  • Network operations (i.e. content-encoding: gzip)
  • PNG decoding
  • Android migration to Chromium's zlib (​https://android.googlesource.com/platform/external/zlib)
• Decompression up to 120%, compression 10% - 36%
• Chronet: Chromium network library - used in other projects, e.g. Gsuite apps
• Android migration to Chromium's zlib (​https://android.googlesource.com/platform/external/zlib)
• Optimizations enabled new use-cases
  • JS source strings compression
  • V8 compressed snapshots