ビルド後にスクリプトの内容が反映されていない

今unityでandroidVRを作っているのですが、ビルド後にスクリプトの内容が反映されず、android上ではただ周りの景色を見るだけになってしまっています。
視線を下にすると前進するというものを作りたいと思っています。
作り方はこのサイトと同じように作っています。
私のunityのバージョンは　2019.1.14f1　です

エラーは起きていますが、なぜかビルドはできています。

エラーコード（4つ）

error: closed

UnityEditor.BuildPlayerWindow:BuildPlayerAndRun()

CommandInvokationFailure: Unable to retrieve /proc/meminfo from device. Please make sure the Android SDK is installed and is properly configured in the Editor. See the Console for more details.
C:\Users\ritsu\AppData\Local\Android\Sdk\platform-tools\adb.exe -s "emulator-5554" shell cat /proc/meminfo

stderr[
error: closed
]
stdout[

]
exit code: 1
UnityEditor.Android.Command.WaitForProgramToRun (UnityEditor.Utils.Program p, UnityEditor.Android.Command+WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg) (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.Android.Command.Run (System.Diagnostics.ProcessStartInfo psi, UnityEditor.Android.Command+WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg) (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.Android.Command.Run (System.String command, System.String args, System.String workingdir, UnityEditor.Android.Command+WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg) (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.Android.ADB.RunInternal (System.String[] command, UnityEditor.Android.Command+WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg) (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.Android.ADB.Run (System.String[] command, UnityEditor.Android.Command+WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg) (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.Android.AndroidDevice.Exec (System.String[] command, System.String errorMsg) (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.Android.AndroidDevice.get_MemInfo () (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.Android.AndroidDeviceInfo.get_TotalMemory () (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.Android.PostProcessor.Tasks.CheckDevice.LogAnalytics (UnityEditor.Android.PostProcessor.Tasks.CheckDevice+DeviceInfo device) (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.Android.PostProcessor.Tasks.CheckDevice.GetTargetDevices (UnityEditor.Android.ADB adb) (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.Android.PostProcessor.Tasks.CheckDevice.Execute (UnityEditor.Android.PostProcessor.PostProcessorContext context) (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.Android.PostProcessor.PostProcessRunner.RunAllTasks (UnityEditor.Android.PostProcessor.PostProcessorContext context) (at <1e5e55a0ebac44e989773ba5d6df4794>:0)
UnityEditor.BuildPlayerWindow:BuildPlayerAndRun()

Build completed with a result of 'Failed'
UnityEditor.BuildPlayerWindow:BuildPlayerAndRun()

UnityEditor.BuildPlayerWindow+BuildMethodException: 3 errors
at UnityEditor.BuildPlayerWindow+DefaultBuildMethods.BuildPlayer (UnityEditor.BuildPlayerOptions options) [0x00242] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:194
at UnityEditor.BuildPlayerWindow.CallBuildMethods (System.Boolean askForBuildLocation, UnityEditor.BuildOptions defaultBuildOptions) [0x0007f] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:97
UnityEditor.BuildPlayerWindow:BuildPlayerAndRun()