Remove unnecessary casts on calls to findViewById

Just frameworks/ this time. More paths to come.

Bug: 24137209
Test: make -j32
Change-Id: Iff27abd26fa43296ac2fff8f534fc6742d2ae80c
diff --git a/packages/SystemUI/src/com/android/keyguard/EmergencyCarrierArea.java b/packages/SystemUI/src/com/android/keyguard/EmergencyCarrierArea.java
index 0a89d9b..e98ef06 100644
--- a/packages/SystemUI/src/com/android/keyguard/EmergencyCarrierArea.java
+++ b/packages/SystemUI/src/com/android/keyguard/EmergencyCarrierArea.java
@@ -37,8 +37,8 @@
     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
-        mCarrierText = (CarrierText) findViewById(R.id.carrier_text);
-        mEmergencyButton = (EmergencyButton) findViewById(R.id.emergency_call_button);
+        mCarrierText = findViewById(R.id.carrier_text);
+        mEmergencyButton = findViewById(R.id.emergency_call_button);
 
         // The emergency button overlaps the carrier text, only noticeable when highlighted.
         // So temporarily hide the carrier text while the emergency button is pressed.