Undeprecate linear text API

Hardware renderer support pending, but this API should not have
been deprecated in the first place.

Change-Id: I062dac6d65dffb5369e65d55ea159594a0971b59

graphics/java/android/graphics/Paint.java

@@ -553,7 +553,6 @@ public class Paint {
      *
      * @return true if the lineartext bit is set in the paint's flags
      */
-    @Deprecated
     public final boolean isLinearText() {
         return (getFlags() & LINEAR_TEXT_FLAG) != 0;
     }
@@ -564,7 +563,6 @@ public class Paint {
      * @param linearText true to set the linearText bit in the paint's flags,
      *                   false to clear it.
      */
-    @Deprecated
     public native void setLinearText(boolean linearText);
 
     /**