[TextInputLayout] Fix "android:enabled" attribute support

Resolves #2766
Resolves #2769

GIT_ORIGIN_REV_ID=9e60355679855b57ab63edf63944d3e23d2aec9a
PiperOrigin-RevId: 458516880

Author: pubiqq

lib/java/com/google/android/material/textfield/TextInputLayout.java

@@ -662,7 +662,7 @@ public TextInputLayout(@NonNull Context context, @Nullable AttributeSet attrs, i
 
     endLayout = new EndCompoundLayout(this, a);
 
-    setEnabled(a.getBoolean(R.styleable.TextInputLayout_android_enabled, true));
+    final boolean enabled = a.getBoolean(R.styleable.TextInputLayout_android_enabled, true);
 
     a.recycle();
 
@@ -681,6 +681,11 @@ public TextInputLayout(@NonNull Context context, @Nullable AttributeSet attrs, i
 
     addView(inputFrame);
 
+    // TextInputLayout#setEnabled sets the enabled state not only for TextInputLayout itself but
+    // also for child views, so the method is called (and should be called) only after all child
+    // views have been added.
+    setEnabled(enabled);
+
     setHelperTextEnabled(helperTextEnabled);
     setErrorEnabled(errorEnabled);
     setCounterEnabled(counterEnabled);