Use uname instead of proc/version

- Update the displayed kernel version to use uname instead

Change-Id: Iced2540f775c03c273521c8965c2f331267982b2
Fixes: 67006899
Test: Manual with settings app

src/com/android/settings/deviceinfo/KernelVersionPreferenceController.java

@@ -39,7 +39,7 @@ public class KernelVersionPreferenceController extends AbstractPreferenceControl
     @Override
     public void updateState(Preference preference) {
         super.updateState(preference);
-        preference.setSummary(DeviceInfoUtils.getFormattedKernelVersion());
+        preference.setSummary(DeviceInfoUtils.getFormattedKernelVersion(mContext));
     }
 
     @Override

src/com/android/settings/deviceinfo/firmwareversion/KernelVersionDialogController.java

@@ -36,6 +36,7 @@ public class KernelVersionDialogController {
      * Updates kernel version to the dialog.
      */
     public void initialize() {
-        mDialog.setText(KERNEL_VERSION_VALUE_ID, DeviceInfoUtils.getFormattedKernelVersion());
+        mDialog.setText(KERNEL_VERSION_VALUE_ID,
+                DeviceInfoUtils.getFormattedKernelVersion(mDialog.getContext()));
     }
 }

tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/KernelVersionDialogControllerTest.java

@@ -20,6 +20,9 @@ import static com.android.settings.deviceinfo.firmwareversion.KernelVersionDialo
         .KERNEL_VERSION_VALUE_ID;
 
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
 
 import com.android.settings.TestConfig;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
@@ -30,6 +33,7 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 
 @RunWith(SettingsRobolectricTestRunner.class)
@@ -39,11 +43,14 @@ public class KernelVersionDialogControllerTest {
     @Mock
     private FirmwareVersionDialogFragment mDialog;
 
+    private Context mContext;
     private KernelVersionDialogController mController;
 
     @Before
     public void setup() {
         MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        when(mDialog.getContext()).thenReturn(mContext);
         mController = new KernelVersionDialogController(mDialog);
     }
 
@@ -52,6 +59,6 @@ public class KernelVersionDialogControllerTest {
         mController.initialize();
 
         verify(mDialog).setText(KERNEL_VERSION_VALUE_ID,
-                DeviceInfoUtils.getFormattedKernelVersion());
+                DeviceInfoUtils.getFormattedKernelVersion(mContext));
     }
 }