android: use C++20

Author: igagis

build/android/app/CMakeLists.txt

@@ -12,7 +12,7 @@ file(GLOB_RECURSE srcs
 
 include (${ANDROID_GRADLE_NATIVE_BUNDLE_PLUGIN_MK})
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -DDEBUG")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++20 -DDEBUG")
 
 include_directories(
     ../../../src

build/android/ruis/CMakeLists.txt

@@ -7,7 +7,7 @@ file(GLOB_RECURSE srcs "../../../src/*.cpp")
 
 include (${ANDROID_GRADLE_NATIVE_BUNDLE_PLUGIN_MK})
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++20")
 
 add_library(
         # Specifies the name of the library.