Remove ConnectivityServiceTest signature perms use

To allow unit tests to run without platform certificates, remove
signature permission usage in ConnectivityServiceTest.

This mocks permission checks done in ConnectivityService for which the
test assumed that the permission was held, and mocks calls to
BatteryStatsManager. Calls to ActivityManagerService (through
PendingIntent) are done with shell permissions as the test uses real
PendingIntent mechanics.

Bug: 187935317
Test: atest FrameworksNetTests
Merged-In: If309d653ac2e9bbcf1b94bcee6336367289df359
Change-Id: If309d653ac2e9bbcf1b94bcee6336367289df359

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1736615

(cherry picked from commit 595dda36040c1a7a778ce97d2484324a1162fe83)

Change-Id: Idb19b0f7cb87bb4d9de7a0b1a0e4128c2d6b9c6d
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index 899286b..f61eee6 100644
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -1276,6 +1276,20 @@
         public boolean getCellular464XlatEnabled() {
             return NetworkProperties.isCellular464XlatEnabled().orElse(true);
         }
+
+        /**
+         * @see PendingIntent#intentFilterEquals
+         */
+        public boolean intentFilterEquals(PendingIntent a, PendingIntent b) {
+            return a.intentFilterEquals(b);
+        }
+
+        /**
+         * @see LocationPermissionChecker
+         */
+        public LocationPermissionChecker makeLocationPermissionChecker(Context context) {
+            return new LocationPermissionChecker(context);
+        }
     }
 
     public ConnectivityService(Context context) {
@@ -1343,7 +1357,7 @@
         mNetd = netd;
         mTelephonyManager = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
         mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
-        mLocationPermissionChecker = new LocationPermissionChecker(mContext);
+        mLocationPermissionChecker = mDeps.makeLocationPermissionChecker(mContext);
 
         // To ensure uid state is synchronized with Network Policy, register for
         // NetworkPolicyManagerService events must happen prior to NetworkPolicyManagerService
@@ -3934,7 +3948,7 @@
         for (Map.Entry<NetworkRequest, NetworkRequestInfo> entry : mNetworkRequests.entrySet()) {
             PendingIntent existingPendingIntent = entry.getValue().mPendingIntent;
             if (existingPendingIntent != null &&
-                    existingPendingIntent.intentFilterEquals(pendingIntent)) {
+                    mDeps.intentFilterEquals(existingPendingIntent, pendingIntent)) {
                 return entry.getValue();
             }
         }