UsbDeviceManager: delete obsolete code

We stopped using persist.service.adb.enable almost 4 years ago
(commit 02e4569b5f126ca916a7473117ddd17d4f2ccbbb). Delete backwards
compatibility code.

Change-Id: Ic656e834e79361b27ca2afcd3705d0523c23717d

1 files changed, 0 insertions, 12 deletions

diff --git a/services/usb/java/com/android/server/usb/UsbDeviceManager.java b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
index 41cf2ef90cf6..6304d75ad30f 100644
--- a/services/usb/java/com/android/server/usb/UsbDeviceManager.java
+++ b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
@@ -363,18 +363,6 @@ public class UsbDeviceManager {
                 updateState(state);
                 mAdbEnabled = containsFunction(mCurrentFunctions, UsbManager.USB_FUNCTION_ADB);
 
-                // Upgrade step for previous versions that used persist.service.adb.enable
-                String value = SystemProperties.get("persist.service.adb.enable", "");
-                if (value.length() > 0) {
-                    char enable = value.charAt(0);
-                    if (enable == '1') {
-                        setAdbEnabled(true);
-                    } else if (enable == '0') {
-                        setAdbEnabled(false);
-                    }
-                    SystemProperties.set("persist.service.adb.enable", "");
-                }
-
                 // register observer to listen for settings changes
                 mContentResolver.registerContentObserver(
                         Settings.Global.getUriFor(Settings.Global.ADB_ENABLED),