Merge cherrypicks of ['googleplex-android-review.googlesource.com/39523085'] into 26Q2-release.

Change-Id: Ie7ab7616c5b61d27b999b29c98ad0610eb1efc60

TelecomUi/AndroidManifest.xml

diff --git a/TelecomUi/AndroidManifest.xml b/TelecomUi/AndroidManifest.xml
index 69699eb..0ad098a 100644
--- a/TelecomUi/AndroidManifest.xml
+++ b/TelecomUi/AndroidManifest.xml
@@ -121,6 +121,7 @@
 
         <activity android:name=".components.UserCallActivity"
             android:theme="@style/Theme.Telecomm.Transparent"
+            android:permission="android.permission.CALL_PHONE"
             android:exported="true">
             <intent-filter>
                 <action android:name="com.android.internal.telecom.action.CALL_TRAMPOLINE"/>