Add Android APK fleet nodes with Crucible UI integration and tests.

APK wrapper registers platform=android via AETHERFORGE_PLATFORM; fleet UI shows robot icons, Android Access Depth probes, and a shortened mining onion timeline.

android/agent-app/gradlew

@@ -0,0 +1,51 @@
+#!/bin/sh
+
+#
+# Copyright © 2015-2021 the original authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+##############################################################################
+
+# Attempt to set APP_HOME
+app_path=$0
+while [ -h "$app_path" ]; do
+  ls=$( ls -ld "$app_path" )
+  link=${ls#*' -> '}
+  case $link in
+    /*) app_path=$link ;;
+    *) app_path=${APP_HOME}${link} ;;
+  esac
+done
+APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${0%/*}" && pwd -P ) || exit
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+if [ -n "$JAVA_HOME" ]; then
+  JAVACMD=$JAVA_HOME/bin/java
+else
+  JAVACMD=java
+fi
+
+DEFAULT_JVM_OPTS='-Dfile.encoding=UTF-8 "-Xmx64m" "-Xms64m"'
+
+exec "$JAVACMD" $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS \
+  -Dorg.gradle.appname=$APP_BASE_NAME \
+  -classpath "$CLASSPATH" \
+  org.gradle.wrapper.GradleWrapperMain "$@"