[TEST] Hunting down recursive mutex 5

(cherry picked from commit a484e6c34b)

src/android/app/src/main/jni/android_settings.h

@@ -147,7 +147,7 @@ namespace AndroidSettings {
                                                       &show_performance_overlay};
 
 
-        Settings::Setting<s32> pipeline_worker_count{linkage, 0, "pipeline_worker_count",
+        Settings::Setting<s32> pipeline_worker_count{linkage, 2, "pipeline_worker_count",
                                  Settings::Category::Android,
                                  Settings::Specialization::Default,
                                  true,

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -305,10 +305,8 @@ size_t GetTotalPipelineWorkers() {
         std::max<size_t>(static_cast<size_t>(std::thread::hardware_concurrency()), 2ULL) - 1ULL;
 #ifdef __ANDROID__
     const int configured = AndroidSettings::values.pipeline_worker_count.GetValue();
-    if (configured <= 0) {
-        return max_core_threads;
-    }
-    return std::min<size_t>(max_core_threads, static_cast<size_t>(configured));
+    const size_t desired = static_cast<size_t>(std::max(configured, 1));
+    return std::min<size_t>(max_core_threads, desired);
 #else
     return max_core_threads;
 #endif