Merge "Fix alpha animation bug in keyguard"

-keep public class com.android.keyguard.KeyguardService

-keep public class * {

  public void setBackgroundAlpha(float);

  public float getBackgroundAlpha();

  public void setContentAlpha(float);

  public float getContentAlpha();

  public void setAlpha(float);

  public float getAlpha();

  public void setAlpha(int);

  public int getAlpha();

  public void setRotationX(float);

  public float getRotationX();

  public void setRotationY(float);

  public float getRotationY();

  public void setPivotX(float);

  public float getPivotX();

  public void setPivotY(float);

  public float getPivotY();

  public void setScaleX(float);

  public float getScaleX();

  public void setScaleY(float);

  public float getScaleY();

  public void setTranslationX(float);

  public float getTranslationX();

  public void setTranslationY(float);

  public float getTranslationY();

}