Revert "Fix "tooltipText" attrs bellowed Android 8.x"

Changed only support minSdk 27

app/build.gradle

@@ -21,7 +21,7 @@ android {
 
     defaultConfig {
         applicationId "com.fankes.apperrorstracking"
-        minSdk 21
+        minSdk 27
         targetSdk 31
         versionCode rootProject.ext.appVersionCode
         versionName rootProject.ext.appVersionName

app/src/main/res/layout/activity_app_errors_detail.xml

@@ -28,7 +28,7 @@
             android:layout_marginEnd="20dp"
             android:src="@mipmap/ic_back"
             android:tint="@color/colorTextGray"
-            app:tooltipText="@string/back" />
+            android:tooltipText="@string/back" />
 
         <TextView
             android:layout_width="0dp"
@@ -48,7 +48,7 @@
             android:layout_marginEnd="15dp"
             android:src="@drawable/ic_print"
             android:tint="@color/colorTextGray"
-            app:tooltipText="@string/print_to_logcat" />
+            android:tooltipText="@string/print_to_logcat" />
 
         <androidx.constraintlayout.utils.widget.ImageFilterView
             android:id="@+id/copy_icon"
@@ -57,7 +57,7 @@
             android:layout_marginEnd="15dp"
             android:src="@drawable/ic_copy"
             android:tint="@color/colorTextGray"
-            app:tooltipText="@string/copy_error_stack" />
+            android:tooltipText="@string/copy_error_stack" />
 
         <androidx.constraintlayout.utils.widget.ImageFilterView
             android:id="@+id/export_icon"
@@ -66,7 +66,7 @@
             android:layout_marginEnd="10dp"
             android:src="@drawable/ic_export"
             android:tint="@color/colorTextGray"
-            app:tooltipText="@string/export_to_file" />
+            android:tooltipText="@string/export_to_file" />
     </LinearLayout>
 
     <androidx.core.widget.NestedScrollView