Build Failure for Nougut source code

[patkarkarthik]

source code build failed after issuing : make ramdisk systemimage

logs are given below:

make ramdisk systemimage

PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=7.1.1
TARGET_PRODUCT=rpi3
TARGET_BUILD_VARIANT=eng
TARGET_BUILD_TYPE=release
TARGET_BUILD_APPS=
TARGET_ARCH=arm
TARGET_ARCH_VARIANT=armv7-a-neon
TARGET_CPU_VARIANT=cortex-a7
TARGET_2ND_ARCH=
TARGET_2ND_ARCH_VARIANT=
TARGET_2ND_CPU_VARIANT=
HOST_ARCH=x86_64
HOST_2ND_ARCH=x86
HOST_OS=linux
HOST_OS_EXTRA=Linux-4.15.0-66-generic-x86_64-with-Ubuntu-16.04-xenial
HOST_CROSS_OS=windows
HOST_CROSS_ARCH=x86
HOST_CROSS_2ND_ARCH=x86_64
HOST_BUILD_TYPE=release
BUILD_ID=NMF26Q
OUT_DIR=out

Running kati to generate build-rpi3.ninja...
out/build-rpi3.ninja is missing, regenerating...

PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=7.1.1
TARGET_PRODUCT=rpi3
TARGET_BUILD_VARIANT=eng
TARGET_BUILD_TYPE=release
TARGET_BUILD_APPS=
TARGET_ARCH=arm
TARGET_ARCH_VARIANT=armv7-a-neon
TARGET_CPU_VARIANT=cortex-a7
TARGET_2ND_ARCH=
TARGET_2ND_ARCH_VARIANT=
TARGET_2ND_CPU_VARIANT=
HOST_ARCH=x86_64
HOST_2ND_ARCH=x86
HOST_OS=linux
HOST_OS_EXTRA=Linux-4.15.0-66-generic-x86_64-with-Ubuntu-16.04-xenial
HOST_CROSS_OS=windows
HOST_CROSS_ARCH=x86
HOST_CROSS_2ND_ARCH=x86_64
HOST_BUILD_TYPE=release
BUILD_ID=NMF26Q
OUT_DIR=out

including ./abi/cpp/Android.mk ...
including ./art/Android.mk ...
including ./bionic/Android.mk ...
including ./bootable/recovery/Android.mk ...
including ./build/libs/host/Android.mk ...
including ./build/target/board/Android.mk ...
including ./build/target/product/security/Android.mk ...
including ./build/tools/Android.mk ...
including ./cts/Android.mk ...
FindEmulator: find: `cts/apps/CtsVerifier/src/android': No such file or directory
build/core/java.mk:26: *** cts/apps/CtsVerifier: Invalid LOCAL_SDK_VERSION 'current' Choices are: test_current .
build/core/ninja.mk:163: recipe for target 'out/build-rpi3.ninja' failed
make: *** [out/build-rpi3.ninja] Error 1

make failed to build some targets (6 seconds)