Move termux-user from termux-api to termux-tools

Also add a am wrapper script which clears
LD_LIBRARY_PATH before calling /system/bin/am.

packages/termux-api/build.sh

@@ -1,6 +1,6 @@
 TERMUX_PKG_HOMEPAGE=http://termux.com/add-ons/api/
 TERMUX_PKG_DESCRIPTION="Termux API commands"
-TERMUX_PKG_VERSION=0.4.50
+TERMUX_PKG_VERSION=0.4.51
 
 termux_step_make_install () {
         mkdir -p $TERMUX_PREFIX/bin

packages/termux-tools/am

@@ -0,0 +1,6 @@
+#!@TERMUX_PREFIX@/bin/sh
+
+# Remove LD_LIBRARY_PATH from environment to avoid conflicting
+# with system libraries that am may link against.
+
+LD_LIBRARY_PATH= /system/bin/am $@

packages/termux-tools/build.sh

@@ -1,12 +1,12 @@
 TERMUX_PKG_HOMEPAGE=http://termux.com/
 TERMUX_PKG_DESCRIPTION="Some tools for Termux"
-TERMUX_PKG_VERSION=0.3
+TERMUX_PKG_VERSION=0.5
 
 termux_step_make_install () {
 	$CXX $CFLAGS $LDFLAGS -std=c++14 $TERMUX_PKG_BUILDER_DIR/*.cpp -o $TERMUX_PREFIX/bin/termux-elf-cleaner
 
-	rm -f $TERMUX_PREFIX/bin/{termux-fix-shebang,termux-reload-style,chsh,termux-open-url}
-	cp $TERMUX_PKG_BUILDER_DIR/{termux-fix-shebang,termux-reload-style,chsh,termux-open-url} $TERMUX_PREFIX/bin/
+	rm -f $TERMUX_PREFIX/bin/{am,termux-user,termux-fix-shebang,termux-reload-style,chsh,termux-open-url}
+	cp $TERMUX_PKG_BUILDER_DIR/{am,termux-user,termux-fix-shebang,termux-reload-style,chsh,termux-open-url} $TERMUX_PREFIX/bin/
 
 	sed -i "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" $TERMUX_PREFIX/bin/termux-fix-shebang
 }