DO NOT MERGE - libstagefright: check requested memory size before allocation for SoftMPEG4Encoder and SoftVPXEncoder. am: 6afc659b00
am: 9e1d7751b1  -s ours

* commit '9e1d7751b12ea976323abc1fe7760323ab142d39':
  DO NOT MERGE - libstagefright: check requested memory size before allocation for SoftMPEG4Encoder and SoftVPXEncoder.