Make sure OpenAL-soft consume Oboe in Android and mark it as required.

CMakeLists.txt

@@ -271,6 +271,13 @@ set(MEGA_SDL2MAIN SDL2main)
 message(STATUS "-----------------------------------------------------")
 message(STATUS "Configuring: openal-soft ${MEGA_OPENAL_VER}")
 message(STATUS "-----------------------------------------------------")
+if(ANDROID)
+	if(NOT OBOE_SOURCE)
+		set(OBOE_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/libs/oboe")
+	endif()
+	set(ALSOFT_REQUIRE_OBOE ON CACHE BOOL "Require Oboe backend" FORCE)
+	set(ALSOFT_REQUIRE_OPENSL ON CACHE BOOL "Require OpenSL backend" FORCE)
+endif()
 add_subdirectory("libs/openal-soft" ${CMAKE_BINARY_DIR}/openal-soft)
 set(MEGA_OPENAL ${OPENAL_LIB_NAME})