Fix some sign in errors.

AccountManagerService.SimWatcher was checking if storedImsi = "initial"
instead of null as an initial condition.  Also, on NV-only CDMA devices
we were only sending SIM_STATE_CHANGED notifications when the radio
powered down, which meant storedImsi was only initialized if the radio
powered down.

core/java/android/accounts/AccountManagerService.java

@@ -1397,7 +1397,7 @@ public class AccountManagerService extends IAccountManager.Stub {
                 Log.v(TAG, "current IMSI=" + imsi + "; stored IMSI=" + storedImsi);
             }
 
-            if (!imsi.equals(storedImsi) && !"initial".equals(storedImsi)) {
+            if (!imsi.equals(storedImsi) && !TextUtils.isEmpty(storedImsi)) {
                 if (Log.isLoggable(TAG, Log.VERBOSE)) {
                     Log.v(TAG, "wiping all passwords and authtokens");
                 }

telephony/java/com/android/internal/telephony/cdma/CdmaServiceStateTracker.java

@@ -46,6 +46,7 @@ import com.android.internal.telephony.CommandException;
 import com.android.internal.telephony.CommandsInterface;
 import com.android.internal.telephony.DataConnectionTracker;
 import com.android.internal.telephony.gsm.MccTable;
+import com.android.internal.telephony.IccCard;
 import com.android.internal.telephony.PhoneProxy;
 import com.android.internal.telephony.ServiceStateTracker;
 import com.android.internal.telephony.TelephonyEventLog;
@@ -443,6 +444,8 @@ final class CdmaServiceStateTracker extends ServiceStateTracker {
                     if (!mIsMinInfoReady) {
                         mIsMinInfoReady = true;
                     }
+                    phone.getIccCard().broadcastIccStateChangedIntent(IccCard.INTENT_VALUE_ICC_IMSI,
+                            null);
                 } else {
                     Log.w(LOG_TAG,"error parsing cdmaSubscription params num="
                             + cdmaSubscription.length);