Recycle obtained TypedArrays

Bug: 218835043
Test: make
Change-Id: I2c19ca3b6e4773de533cceac6b5341ae964b4fd4

core/java/android/inputmethodservice/Keyboard.java

@@ -217,6 +217,7 @@ public class Keyboard {
             rowEdgeFlags = a.getInt(com.android.internal.R.styleable.Keyboard_Row_rowEdgeFlags, 0);
             mode = a.getResourceId(com.android.internal.R.styleable.Keyboard_Row_keyboardMode,
                     0);
+            a.recycle();
         }
     }
 

core/java/android/inputmethodservice/KeyboardView.java

@@ -326,9 +326,11 @@ public class KeyboardView extends View implements View.OnClickListener {
             }
         }
 
+        a.recycle();
         a = mContext.obtainStyledAttributes(
                 com.android.internal.R.styleable.Theme);
         mBackgroundDimAmount = a.getFloat(android.R.styleable.Theme_backgroundDimAmount, 0.5f);
+        a.recycle();
 
         mPreviewPopup = new PopupWindow(context);
         if (previewLayout != 0) {