Fix uninstalled app original uid should not be 0

Context: some special packages have uid but 0. Those packages should not
be part of uninstalled apps.

Test: manual
Bug: 264339271
Fix: 264339271
Change-Id: I86874691b0a837335c2e5352d1d0c6be8df8a2e4

src/com/android/settings/fuelgauge/BatteryUtils.java

@@ -74,6 +74,7 @@ import java.util.List;
  * Utils for battery operation
  */
 public class BatteryUtils {
+    public static final int UID_ZERO = 0;
     public static final int UID_NULL = -1;
     public static final int SDK_NULL = -1;
     /** Special UID value for data usage by removed apps. */

src/com/android/settings/fuelgauge/batteryusage/BatteryDiffEntry.java

@@ -283,7 +283,9 @@ public class BatteryDiffEntry {
     /** Whether the current BatteryDiffEntry is uninstalled app or not. */
     public boolean isUninstalledEntry() {
         final String packageName = getPackageName();
-        if (TextUtils.isEmpty(packageName) || isSystemEntry()) {
+        if (TextUtils.isEmpty(packageName) || isSystemEntry()
+                // Some special package UIDs could be 0. Those packages are not installed by users.
+                || mUid == BatteryUtils.UID_ZERO) {
             return false;
         }