Add UMA stats for the resolution camera is started in.

webrtc/api/android/java/src/org/webrtc/Metrics.java

Index: webrtc/api/android/java/src/org/webrtc/Metrics.java
diff --git a/webrtc/api/android/java/src/org/webrtc/Metrics.java b/webrtc/api/android/java/src/org/webrtc/Metrics.java
index 7f0f5cb979a3aab8b135f4764181194033559c2c..7d715fb7ae42278b243c029ca0395f0545076f88 100644
--- a/webrtc/api/android/java/src/org/webrtc/Metrics.java
+++ b/webrtc/api/android/java/src/org/webrtc/Metrics.java
@@ -81,11 +81,16 @@ public class Metrics {
       return new Histogram(nativeCreateCounts(name, min, max, bucketCount), name);
     }
 
+    static public Histogram createEnumeration(String name, int max) {
+      return new Histogram(nativeCreateEnumeration(name, max), name);
+    }
+
     public void addSample(int sample) {
       nativeAddSample(handle, sample);
     }
 
     private static native long nativeCreateCounts(String name, int min, int max, int bucketCount);
+    private static native long nativeCreateEnumeration(String name, int max);
     private static native void nativeAddSample(long handle, int sample);
   }