エラー内容原因は、
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Installation failed with the following output:
pkg: /data/local/tmp/Package.apk
Failure [INSTALL_FAILED_OLDER_SDK]
1844 KB/s (9597360 bytes in 5.080s)
UnityEngine.Debug:LogError(Object)
PostProcessAndroidPlayer:UploadAndStartPlayer(String, String, String, String, String, Boolean, Boolean, Boolean)
(at C:/BuildAgent/work/d9c061b1c154f5ae/Editor/Mono/BuildPipeline/PostProcessAndroidPlayer.cs:882)
PostProcessAndroidPlayer:PostProcess(BuildTarget, String, String, String, String, String, String, BuildOptions)
(at C:/BuildAgent/work/d9c061b1c154f5ae/Editor/Mono/BuildPipeline/PostProcessAndroidPlayer.cs:464)
UnityEditor.BuildPlayerWindow:BuildPlayerAndRun()
------------------------------------------
INSTALL_FAILED_OLDER_SDK
にある通りでした。
Player Settings... > Other Settings > Minimum API Level
での設定ミスでした↓
■誤
実機 = Android 2.2
Minimum API Level = Android 2.3
■正
実機 = Android 2.2
Minimum API Level = Android 2.2
このように直したら実行できました。