CI: Update CI workflows to use Citron-specific naming and paths

.ci/scripts/android/build.sh

@@ -0,0 +1,28 @@
+#!/bin/bash -ex
+
+# SPDX-FileCopyrightText: 2019 citron Emulator Project
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+export NDK_CCACHE="$(which ccache)"
+ccache -s
+
+BUILD_FLAVOR="stable"
+
+mkdir -p "artifacts"
+
+BUILD_TYPE="release"
+if [ "${GITHUB_REPOSITORY}" == "Citron-Project/Cit" ]; then
+    BUILD_TYPE="relWithDebInfo"
+fi
+
+# We'll use the Android debug keystore for builds
+# This removes the requirement for storing a keystore in secrets
+# For production builds, this should be replaced with a proper signing configuration
+export USE_DEBUG_KEYSTORE=true
+
+cd src/android
+chmod +x ./gradlew
+./gradlew clean
+./gradlew app:assemble${BUILD_FLAVOR}${BUILD_TYPE}
+
+ccache -s