Add config for "Share" action in TextView context menu

"Share" text action is not applicable to all platforms, this config
allows disabling the action item.
Example - Automotive (AAOS) does not support it

Bug: 162463255

Test: atest TextViewTest EditTextTest, manual check
Merged-In: I825a85bdf566c0a319bd91b523284757af6be68e
Change-Id: I825a85bdf566c0a319bd91b523284757af6be68e

core/java/android/widget/TextView.java

@@ -14994,7 +14994,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
     }
 
     boolean canShare() {
-        if (!getContext().canStartActivityForResult() || !isDeviceProvisioned()) {
+        if (!getContext().canStartActivityForResult() || !isDeviceProvisioned()
+                || !getContext().getResources().getBoolean(
+                com.android.internal.R.bool.config_textShareSupported)) {
             return false;
         }
         return canCopy();

core/res/res/values/config.xml

@@ -6543,4 +6543,8 @@
          environment to protect the user's privacy when the device is being repaired.
          Off by default, since OEMs may have had a similar feature on their devices. -->
     <bool name="config_repairModeSupported">false</bool>
+
+    <!-- Enables or disables the "Share" action item shown in the context menu that appears upon
+        long-pressing on selected text. Enabled by default. -->
+    <bool name="config_textShareSupported">true</bool>
 </resources>

core/res/res/values/symbols.xml

@@ -3038,6 +3038,7 @@
   <java-symbol type="id" name="addToDictionaryButton" />
   <java-symbol type="id" name="deleteButton" />
   <!-- TextView -->
+  <java-symbol type="bool" name="config_textShareSupported" />
   <java-symbol type="string" name="failed_to_copy_to_clipboard" />
 
   <java-symbol type="id" name="notification_material_reply_container" />