Update android build scripts.

scripts/android/build_boost.sh

@@ -1,16 +1,16 @@
-# /bin/bash
+#!/bin/sh
 
-WORKDIR=/opt/android
-TOOLCHAIN_BASE_DIR=${WORKDIR}/toolchain
-ORIGINAL_PATH=$PATH
+. ./config.sh
+BOOST_SRC_DIR=$WORKDIR/boost_1_74_0
+BOOST_FILENAME=boost_1_74_0.tar.bz2
+BOOST_VERSION=1.74.0
 
 for arch in "aarch" "aarch64" "i686" "x86_64"
 do
 
 PREFIX=$WORKDIR/prefix_${arch}
-PATH="${TOOLCHAIN_BASE_DIR}_${arch}/bin:${ORIGINAL_PATH}"
 
-./init_boost.sh $arch
-./finish_boost.sh $arch
+./init_boost.sh $arch $PREFIX $BOOST_SRC_DIR $BOOST_FILENAME $BOOST_VERSION
+./finish_boost.sh $arch $PREFIX $BOOST_SRC_DIR $BOOST_SRC_DIR
 
 done