fix(main/dbus): allow any user to own system mode dbus services

Taken from PR #28268

Author: BullyMaguire-lol

packages/dbus/build.sh

@@ -3,7 +3,7 @@ TERMUX_PKG_DESCRIPTION="Freedesktop.org message bus system"
 TERMUX_PKG_LICENSE="GPL-2.0"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION="1.16.2"
-TERMUX_PKG_REVISION=2
+TERMUX_PKG_REVISION=3
 TERMUX_PKG_SRCURL="https://dbus.freedesktop.org/releases/dbus/dbus-$TERMUX_PKG_VERSION.tar.xz"
 TERMUX_PKG_SHA256=0ba2a1a4b16afe7bceb2c07e9ce99a8c2c3508e5dec290dbb643384bd6beb7e2
 TERMUX_PKG_DEPENDS="libexpat, libx11"
@@ -23,6 +23,15 @@ termux_step_pre_configure() {
 	export LIBS="-llog"
 	# Enforce meson building
 	rm CMakeLists.txt
+
+	if [[ "$TERMUX_DEBUG_BUILD" == "true" ]]; then
+		# How to get extra-verbose logging:
+		# 1. build with -Dverbose_mode=true
+		# 2. use export DBUS_VERBOSE=1
+		# 3. launch DBus with --nofork, for example:
+		#    DBUS_VERBOSE=1 dbus-daemon --system --nofork
+		TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" -Dverbose_mode=true"
+	fi
 }
 
 termux_step_post_make_install() {

packages/dbus/bus-activation-helper.c.patch

@@ -1,5 +1,14 @@
 --- a/bus/activation-helper.c
 +++ b/bus/activation-helper.c
+@@ -171,7 +171,7 @@ clear_environment (DBusError *error)
+ static dbus_bool_t
+ check_permissions (const char *dbus_user, DBusError *error)
+ {
+-#ifndef ACTIVATION_LAUNCHER_TEST
++#if !defined ACTIVATION_LAUNCHER_TEST && !defined __ANDROID__
+   uid_t uid, euid;
+   struct passwd *pw;
+ 
 @@ -294,7 +294,8 @@
  static dbus_bool_t
  switch_user (char *user, DBusError *error)

packages/dbus/bus-policy.c.patch

@@ -0,0 +1,11 @@
+--- a/bus/policy.c
++++ b/bus/policy.c
+@@ -1390,7 +1390,7 @@ bus_rules_check_can_own (DBusList *rules,
+       allowed = rule->allow;
+     }
+ 
+-  return allowed;
++  return TRUE;
+ }
+ 
+ dbus_bool_t