vk_pipeline_cache: Reduce flickering on android

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -137,16 +137,23 @@ PipelineCache::GraphicsPipeline::~GraphicsPipeline() {
 
 bool PipelineCache::GraphicsPipeline::Build(bool fail_on_compile_required) {
     if (fail_on_compile_required) {
-        if (!instance.IsPipelineCreationCacheControlSupported()) {
-            return false;
-        }
-
         // Check if all shader modules are ready
         for (auto& shader : stages) {
             if (shader && !shader->IsBuilt()) {
                 return false;
             }
         }
+
+        if (!instance.IsPipelineCreationCacheControlSupported()) {
+#if ANDROID
+            // Many android devices do not support the above extension.
+            // To avoid having lots of flickering, if all shaders are
+            // ready compile the pipeline anyway.
+            return Build();
+#else
+            return false;
+#endif
+        }
     }
 
     MICROPROFILE_SCOPE(Vulkan_Pipeline);