MR2.1 - Version 4.4.4.  Here we go!  DO NOT MERGE

Make is so.

Change-Id: I06b8c8c491e6e355124b6fea41893155ea4c07d0
"KTU84P"
Delete the sound settings of the default
Add PRODUCT_BUILD_PROP_OVERRIDES
Remove the duplicate application
Add build script
Change the script to set the build environment for Android
remove recovery image for otapackage
Merge branch 'aosp-kitkat' of github.com:JAOSP/aosp_platform_build into aosp-kitkat