Update Demo app define file

Author: colemancda

Demo/swift-define

@@ -6,8 +6,8 @@ ANDROID_LIB="${ANDROID_LIB:=aarch64-linux-android}"
 SWIFT_COMPILATION_MODE="${SWIFT_COMPILATION_MODE:=debug}"
 
 # Version
-ANDROID_SDK_VERSION=29
-SWIFT_VERSION_SHORT=6.1.1
+ANDROID_SDK_VERSION=28
+SWIFT_VERSION_SHORT=6.2.3
 SWIFT_VERSION=swift-$SWIFT_VERSION_SHORT-RELEASE
 SWIFT_TARGET_NAME=$SWIFT_TARGET_ARCH-unknown-linux-android$ANDROID_SDK_VERSION
 XCTOOLCHAIN=/Library/Developer/Toolchains/$SWIFT_VERSION.xctoolchain