Do not look at self when comparing for duplicate usage

When looking for duplicate usages, do not compare to self

Fixes: 178088373
Test: manual
Change-Id: I5e7316caff5ff33017cd868324c066a3f3e99bd6

core/java/android/permission/PermissionUsageHelper.java

@@ -662,6 +662,11 @@ public class PermissionUsageHelper {
             // usage for that uid, keep it. Otherwise, remove it
             boolean isMostRecentForUid = true;
             for (int otherUsageNum = 0; otherUsageNum < rawUsages.size(); otherUsageNum++) {
+                // Do not compare this usage to itself
+                if (otherUsageNum == usageNum) {
+                    continue;
+                }
+
                 OpUsage otherUsage = rawUsages.get(otherUsageNum);
                 if (otherUsage.uid == usage.uid) {
                     if (otherUsage.isRunning && !usage.isRunning) {