More vp8/vp9 clean up

build/make/Android.mk

build/make/rtcd.pl

examples.mk

test/active_map_refresh_test.cc

test/active_map_test.cc

test/altref_test.cc

test/aq_segment_test.cc

test/borders_test.cc

test/byte_alignment_test.cc

test/codec_factory.h

test/config_test.cc

test/cpu_speed_test.cc

test/cq_test.cc

test/datarate_test.cc

test/dct16x16_test.cc

test/dct32x32_test.cc

test/decode_api_test.cc

test/decode_perf_test.cc

test/encode_perf_test.cc

test/encode_test_driver.h