Use mobile platform settings for VP8 and VP9 decoders on all Android builds.

webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc

Index: webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc
diff --git a/webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc b/webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc
index 31e1d8063600deec1ea6a34eb46b752f695ee520..efa2401b32e43853c411a7c0890ecfa41c571aff 100644
--- a/webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc
+++ b/webrtc/modules/video_coding/codecs/vp8/vp8_impl.cc
@@ -617,7 +617,7 @@ int VP8EncoderImpl::InitEncode(const VideoCodec* inst,
 }
 
 int VP8EncoderImpl::SetCpuSpeed(int width, int height) {
-#if defined(WEBRTC_ARCH_ARM) || defined(WEBRTC_ARCH_ARM64)
+#if defined(WEBRTC_ARCH_ARM) || defined(WEBRTC_ARCH_ARM64) || defined(ANDROID)
   // On mobile platform, always set to -12 to leverage between cpu usage
   // and video quality.
   return -12;
@@ -672,7 +672,7 @@ int VP8EncoderImpl::InitAndSetControlSettings() {
   // when encoding lower resolution streams. Would it work with the
   // multi-res encoding feature?
   denoiserState denoiser_state = kDenoiserOnYOnly;
-#if defined(WEBRTC_ARCH_ARM) || defined(WEBRTC_ARCH_ARM64)
+#if defined(WEBRTC_ARCH_ARM) || defined(WEBRTC_ARCH_ARM64) || defined(ANDROID)
   denoiser_state = kDenoiserOnYOnly;
 #else
   denoiser_state = kDenoiserOnAdaptive;
@@ -1105,7 +1105,8 @@ int VP8DecoderImpl::InitDecode(const VideoCodec* inst, int number_of_cores) {
   cfg.h = cfg.w = 0;  // set after decode
 
   vpx_codec_flags_t flags = 0;
-#if !defined(WEBRTC_ARCH_ARM) && !defined(WEBRTC_ARCH_ARM64)
+#if !defined(WEBRTC_ARCH_ARM) && !defined(WEBRTC_ARCH_ARM64) && \
+  !defined(ANDROID)
   flags = VPX_CODEC_USE_POSTPROC;
 #ifdef INDEPENDENT_PARTITIONS
   flags |= VPX_CODEC_USE_INPUT_PARTITION;
@@ -1152,7 +1153,8 @@ int VP8DecoderImpl::Decode(const EncodedImage& input_image,
   }
 #endif
 
-#if !defined(WEBRTC_ARCH_ARM) && !defined(WEBRTC_ARCH_ARM64)
+#if !defined(WEBRTC_ARCH_ARM) && !defined(WEBRTC_ARCH_ARM64) && \
+  !defined(ANDROID)
   vp8_postproc_cfg_t ppcfg;
   // MFQE enabled to reduce key frame popping.
   ppcfg.post_proc_flag = VP8_MFQE | VP8_DEBLOCK;