Change return type for RSSI from float to int for consistency

Test: Successfully built.
Bug: 189954300
Change-Id: I16da6fcd1fbb63f9898d5eba68a29dedf295f79d
diff --git a/nearby/framework/java/android/nearby/FastPairDevice.java b/nearby/framework/java/android/nearby/FastPairDevice.java
index 3f1fd42..bda1d48 100644
--- a/nearby/framework/java/android/nearby/FastPairDevice.java
+++ b/nearby/framework/java/android/nearby/FastPairDevice.java
@@ -92,7 +92,7 @@
     }
 
     @Override
-    public float getRssi() {
+    public int getRssi() {
         return mRssi;
     }
 
diff --git a/nearby/framework/java/android/nearby/NearbyDevice.java b/nearby/framework/java/android/nearby/NearbyDevice.java
index 0d82530..12c4ff1 100644
--- a/nearby/framework/java/android/nearby/NearbyDevice.java
+++ b/nearby/framework/java/android/nearby/NearbyDevice.java
@@ -86,9 +86,9 @@
     }
 
     /**
-     * The RSSI this device is away.
+     * Returns the received signal strength in dBm. The valid range is [-127, 126].
      */
-    public float getRssi() {
+    public int getRssi() {
         return mRssi;
     }