Change the name of source files to replace "vpx" with "aom".
Change occurences of "vpx" in the code to "aom".
Change-Id: I002c0eaa2c350cf1a895bf01bea5788c61328027
Covers all profiles and input formats. The tests check if the
encode succeeds and if the psnr is sane.
Change-Id: I195a5330debf92562846121819b6eaf961e27c01
Adrian Grange
Yaowu Xu
clang-format
Deb Mukherjee