Modify Android x86 profile settings and options

Updated Android x86 profile settings and added configuration for file functions macros.

Author: GeorgeK1ng

conan_profiles/android-x86

@@ -2,11 +2,19 @@ include(base/android)
 
 [settings]
 arch=x86
-os.api_level=24
+os.api_level=21
+
+[conf]
+# remove after switching to API level >= 24
+{% set file_funcs_macros = ['fseeko=fseek', 'ftello=ftell'] %}
+flac/*:tools.build:defines={{ file_funcs_macros }}
+luajit/*:tools.build:defines={{ file_funcs_macros }}
+opusfile/*:tools.build:defines={{ file_funcs_macros }}
 
 [options]
 # Workaround for linker error:
 # "relocation R_386_32 cannot be used against local symbol; recompile with -fPIC"
 # Force mpg123 to build as shared to avoid non-PIC ASM objects on Android x86
 mpg123/*:shared=True
 
+