msm8660: Add shell property to use AwesomePlayer as default.

This overrides the default player (NuPlayer) from being picked.

Change-Id: Ib9edd47146e6debbce5e0bf8a1aac24a603544d8

Conflicts:
	system_prop.mk
msm8960-common: Remove qcom divx media codecs

These codecs fail to instantiate. ffmpeg has a divx decoder that should
work though.

Change-Id: I9ba2d2aca3f94ce0e5764d03120739fdf58d6fe6
media_codecs: include ffmpeg codecs

Change-Id: I2007dca3f51bfc91ef716835cf101bc3059f6dc1

Conflicts:
	msm8660.mk
msm8660-common: Disable adaptive playback

* Current set of Adreno drivers produces garbled video output when in
  adaptive playback mode. Disable it.

Change-Id: Iaa177cf902ff3f33655faff4b2dc16b801307177

Conflicts:
	BoardConfigCommon.mk
BoardConfigCommon : Enable DEX_PREOPT

This speeds up the initial boot.