Small cleanup in CompatUtils

Change-Id: I9b4a8d7eae744ba6252a6475b75240248c70a3c0
diff --git a/java/src/com/android/inputmethod/compat/CompatUtils.java b/java/src/com/android/inputmethod/compat/CompatUtils.java
index 5a2b6bd..660029b 100644
--- a/java/src/com/android/inputmethod/compat/CompatUtils.java
+++ b/java/src/com/android/inputmethod/compat/CompatUtils.java
@@ -81,7 +81,7 @@
         try {
             return constructor.newInstance(args);
         } catch (Exception e) {
-            Log.e(TAG, "Exception in newInstance: " + e.getClass().getSimpleName());
+            Log.e(TAG, "Exception in newInstance", e);
         }
         return null;
     }
@@ -92,7 +92,7 @@
         try {
             return method.invoke(receiver, args);
         } catch (Exception e) {
-            Log.e(TAG, "Exception in invoke: " + e.getClass().getSimpleName());
+            Log.e(TAG, "Exception in invoke", e);
         }
         return defaultValue;
     }
@@ -103,7 +103,7 @@
         try {
             return field.get(receiver);
         } catch (Exception e) {
-            Log.e(TAG, "Exception in getFieldValue: " + e.getClass().getSimpleName());
+            Log.e(TAG, "Exception in getFieldValue", e);
         }
         return defaultValue;
     }
@@ -113,7 +113,7 @@
         try {
             field.set(receiver, value);
         } catch (Exception e) {
-            Log.e(TAG, "Exception in setFieldValue: " + e.getClass().getSimpleName());
+            Log.e(TAG, "Exception in setFieldValue", e);
         }
     }
 }