Support Google Play 16 KB Page Size Requirement (#13470)

- See: https://developer.android.com/guide/practices/page-sizes#update-packaging
- Also, make min API uniform at 21 (from 16 and 23 in a few places)

CMakeLists.txt

@@ -1509,6 +1509,11 @@ if(ANDROID)
     endif()
   endif()
 
+if(TARGET SDL3-shared)
+  target_link_options(SDL3-shared PRIVATE "-Wl,-z,max-page-size=16384")
+  target_link_options(SDL3-shared PRIVATE "-Wl,-z,common-page-size=16384")
+endif()
+
 elseif(EMSCRIPTEN)
   # Hide noisy warnings that intend to aid mostly during initial stages of porting a new
   # project. Uncomment at will for verbose cross-compiling -I/../ path info.