build: fix build script

Author: DCsunset

scripts/build-android.sh

@@ -5,7 +5,7 @@ CD=$(dirname $0)
 cd $CD/../android
 
 RELEASE_DIR="app/build/outputs/apk/release"
-BUILD_TOOLS="$HOME/app/android-sdk/build-tools/30.0.3"
+BUILD_TOOLS="$ANDROID_SDK_ROOT/build-tools/30.0.3"
 
 ./gradlew build
 
@@ -14,7 +14,7 @@ $BUILD_TOOLS/zipalign -f -v -p 4 \
 	$RELEASE_DIR/app-release-unsigned-aligned.apk
 
 $BUILD_TOOLS/apksigner sign --ks $HOME/.android/release-key.jks \
-	--out $RELEASE_DIR/app-release.apk \
+	--out $RELEASE_DIR/task.json-web-$(git describe).apk \
 	$RELEASE_DIR/app-release-unsigned-aligned.apk