Added telephony manager set sim power state API

The new API can be used to power up/down the SIM. This is equivalent
to inserting and removing the card.

Test: Telephony sanity tests
bug: 32224755

Change-Id: Ibb14162c55d08982d9b288fc9b2e96c4c9de05d9
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index d66f219..82a67dd 100644
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -3706,4 +3706,20 @@
         workSource = new WorkSource(uid, packageName);
         return workSource;
     }
+
+    /**
+     * Set SIM card power state. Request is equivalent to inserting or removing the card.
+     *
+     * @param slotId SIM slot id.
+     * @param powerUp True if powering up the SIM, otherwise powering down
+     *
+     **/
+    @Override
+    public void setSimPowerStateForSlot(int slotId, boolean powerUp) {
+        enforceModifyPermission();
+        Phone phone = PhoneFactory.getPhone(slotId);
+        if (phone != null) {
+            phone.setSimPowerState(powerUp);
+        }
+    }
 }