Fix compiler.libcxx for r20b

conanfile.py

@@ -23,6 +23,9 @@ class AndroidNDKInstallerConan(ConanFile):
  "os": ["Android"],
  "arch": ["x86", "x86_64", "armv7", "armv8"]}
 
+ options = {"libcxx_shared": [True, False]}
+ default_options = {'libcxx_shared': False}
+
  def configure(self):
  api_level = int(str(self.settings.os.api_level))
  if self.settings.os_build in ["Linux", "Macos"] and self.settings.arch_build == "x86":
@@ -204,7 +207,7 @@ def package_info(self):
  self.env_info.ANDROID_PLATFORM = "android-%s" % self.settings.os.api_level
  self.env_info.ANDROID_TOOLCHAIN = "clang"
  self.env_info.ANDROID_ABI = self._android_abi
- self.env_info.ANDROID_STL = "c++_static"
+ self.env_info.ANDROID_STL = "c++_shared" if self.options.libcxx_shared else "c++_static"
 
  self.env_info.CMAKE_FIND_ROOT_PATH_MODE_PROGRAM = "BOTH"
  self.env_info.CMAKE_FIND_ROOT_PATH_MODE_LIBRARY = "BOTH"