Various miscelaneous changes (#6496)

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

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <cstring>
 #include <string>
 
 #include "common/common_types.h"

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

@@ -4,7 +4,6 @@
 
 #pragma once
 
-#include <map>
 #include <memory>
 #include <string>
 #include "core/frontend/input.h"

src/android/app/src/main/jni/native.cpp

@@ -3,8 +3,6 @@
 // Refer to the license.txt file included.
 
 #include <algorithm>
-#include <iostream>
-#include <regex>
 #include <thread>
 
 #include <android/api-level.h>
@@ -666,6 +664,7 @@ void Java_org_citra_citra_1emu_NativeLibrary_InstallCIAS(JNIEnv* env, [[maybe_un
                                                          jobjectArray path) {
     const jsize count{env->GetArrayLength(path)};
     std::vector<std::string> paths;
+    paths.reserve(count);
     for (jsize idx{0}; idx < count; ++idx) {
         paths.emplace_back(
             GetJString(env, static_cast<jstring>(env->GetObjectArrayElement(path, idx))));