Put starting the animation back inside state changed check

Only start or stop the ripple if the state changed.
Avoids accidentally starting 2 ripples when the overall
state set changed but the state_activated specifically did
not.

Fixes: 188062293
Test: manual
Change-Id: If32f1ee5ad3e7294e2e6924b1a4a0e4070c8bcfc

graphics/java/android/graphics/drawable/RippleDrawable.java

@@ -330,18 +330,18 @@ public class RippleDrawable extends LayerDrawable {
     private void setRippleActive(boolean active) {
         if (mRippleActive != active) {
             mRippleActive = active;
-        }
-        if (mState.mRippleStyle == STYLE_SOLID) {
-            if (active) {
-                tryRippleEnter();
+            if (mState.mRippleStyle == STYLE_SOLID) {
+                if (active) {
+                    tryRippleEnter();
+                } else {
+                    tryRippleExit();
+                }
             } else {
-                tryRippleExit();
-            }
-        } else {
-            if (active) {
-                startPatternedAnimation();
-            } else {
-                exitPatternedAnimation();
+                if (active) {
+                    startPatternedAnimation();
+                } else {
+                    exitPatternedAnimation();
+                }
             }
         }
     }