Add docker for nougat

Dockerfile_5.0-6.0

@@ -32,7 +32,7 @@ RUN chown aosp:aosp /home/aosp/.gitconfig
 
 # The persistent data will be in these two directories, everything else is
 # considered to be ephemeral
-VOLUME ["/tmp/ccache", "/aosp"]
+#VOLUME ["/tmp/ccache", "/aosp"]
 
 # Improve rebuild performance by enabling compiler cache
 #ENV USE_CCACHE 1

Dockerfile_7.0

@@ -0,0 +1,41 @@
+#
+# Minimum Docker image to build Android AOSP
+#
+FROM ubuntu:16.04
+
+# Keep the dependency list as short as reasonable
+RUN apt-get update && \
+    apt-get install -y bc bison bsdmainutils build-essential curl \
+        flex g++-multilib gcc-multilib git gnupg gperf lib32ncurses5-dev \
+        lib32z1-dev libesd0-dev libncurses5-dev \
+        libsdl1.2-dev libxml2-utils lzop \
+        openjdk-8-jdk \
+        genisoimage sudo \
+        gettext \
+        python-mako \
+        pngcrush schedtool xsltproc zip zlib1g-dev libswitch-perl && \
+    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+ADD https://commondatastorage.googleapis.com/git-repo-downloads/repo /usr/local/bin/
+RUN chmod 755 /usr/local/bin/*
+
+# All builds will be done by user aosp
+RUN useradd --create-home aosp -s /bin/bash && echo "aosp:aosp" | chpasswd && adduser aosp sudo
+ADD gitconfig /home/aosp/.gitconfig
+ADD ssh_config /home/aosp/.ssh/config
+RUN chown aosp:aosp /home/aosp/.gitconfig
+
+# The persistent data will be in these two directories, everything else is
+# considered to be ephemeral
+#VOLUME ["/tmp/ccache", "/aosp"]
+
+# Improve rebuild performance by enabling compiler cache
+#ENV USE_CCACHE 1
+ENV CCACHE_DIR /tmp/ccache
+
+# Work in the build directory, repo is expected to be init'd here
+USER aosp
+WORKDIR /aosp
+
+#Relogin to set env var such as USER
+CMD sudo -iu aosp