Android: Numerous fixes

* GetSerialNumber in ISystemSettingsServer

* Bionic qualifiers

* Revert application pool size to 3285 MB for 4 GB DRAM

* Fix PPTC recompilation if mod or patch is applied

src/Ryujinx.HLE/Loaders/Processes/Extensions/FileSystemExtensions.cs

@@ -82,6 +82,13 @@ namespace Ryujinx.HLE.Loaders.Processes.Extensions
             // Apply Nsos patches.
             device.Configuration.VirtualFileSystem.ModLoader.ApplyNsoPatches(programId, nsoExecutables);
 
+            // Don't use PTC if ExeFS files have been replaced.
+            bool enablePtc = device.System.EnablePtc && !modLoadResult.Modified;
+            if (!enablePtc)
+            {
+                Logger.Warning?.Print(LogClass.Ptc, "Detected unsupported ExeFs modifications. PTC disabled.");
+            }
+
             string programName = "";
 
             if (!isHomebrew && programId > 0x010000000000FFFF)
@@ -114,7 +121,7 @@ namespace Ryujinx.HLE.Loaders.Processes.Extensions
                 device.System.KernelContext,
                 metaLoader,
                 nacpData,
-                device.System.EnablePtc,
+                enablePtc,
                 modLoadResult.Hash,
                 true,
                 programName,