fix(android): Add filterTouchesWhenObscured to prevent Tapjacking

Adds  filterTouchesWhenObscured="true" to the user feedback dialog to prevent overlay/tapjacking attack ( CWE-1021)

Author: abhishek-900

sentry-android-core/src/main/res/layout/sentry_dialog_user_feedback.xml

@@ -4,6 +4,7 @@
     android:id="@+id/sentry_dialog_user_feedback_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:filterTouchesWhenObscured="true"
     tools:ignore="HardcodedText,RtlHardcoded"
     android:theme="?android:attr/dialogTheme"
     android:padding="24dp">