VCN: Remove Telephony hidden API usages

This patch removes three hidden API usages for moving
VCN to a mainline module. They are:
- TelephonyManager#getNetworkTypeName(int)
- TelephonyNetworkSpecifier(int)
- SubscriptionManager#isValidSlotIndex

Bug: 288465472
Test: atest FrameworksVcnTest && atest CtsVcnTestCases
Flag: EXEMPT pure refactoring
Change-Id: I09e68006461ac9c5a69eddd27f801f9ed40d15fa

1 files changed, 3 insertions, 0 deletions

diff --git a/tests/vcn/java/com/android/server/VcnManagementServiceTest.java b/tests/vcn/java/com/android/server/VcnManagementServiceTest.java
index 580efe126ea3..4cb7c91b2451 100644
--- a/tests/vcn/java/com/android/server/VcnManagementServiceTest.java
+++ b/tests/vcn/java/com/android/server/VcnManagementServiceTest.java
@@ -146,6 +146,8 @@ public class VcnManagementServiceTest {
     private static final LinkProperties TEST_LP_1 = new LinkProperties();
     private static final LinkProperties TEST_LP_2 = new LinkProperties();
 
+    private static final int ACTIVE_MODEM_COUNT = 2;
+
     static {
         TEST_LP_1.setInterfaceName(TEST_IFACE_NAME);
         TEST_LP_2.setInterfaceName(TEST_IFACE_NAME_2);
@@ -233,6 +235,7 @@ public class VcnManagementServiceTest {
         setupSystemService(mMockContext, mUserManager, Context.USER_SERVICE, UserManager.class);
 
         doReturn(TEST_USER_HANDLE).when(mUserManager).getMainUser();
+        doReturn(ACTIVE_MODEM_COUNT).when(mTelMgr).getActiveModemCount();
 
         doReturn(TEST_PACKAGE_NAME).when(mMockContext).getOpPackageName();