Add new API to retrieve app names in a batch

Change-Id: I57e5c132bc58a32d70007a7a105775b526ff7bb9
Fixes: 62805090
Test: cts-tradefed run commandAndExit cts-dev -m CtsContentTestCases -t android.content.pm.cts.PackageManagerTest#testGetNamesForUids_null
Test: cts-tradefed run commandAndExit cts-dev -m CtsContentTestCases -t android.content.pm.cts.PackageManagerTest#testGetNamesForUids_empty
Test: cts-tradefed run commandAndExit cts-dev -m CtsContentTestCases -t android.content.pm.cts.PackageManagerTest#testGetNamesForUids_valid
diff --git a/test-runner/api/android-test-mock-current.txt b/test-runner/api/android-test-mock-current.txt
index 4063ed7..93bbf6c 100644
--- a/test-runner/api/android-test-mock-current.txt
+++ b/test-runner/api/android-test-mock-current.txt
@@ -292,6 +292,7 @@
     method public android.content.Intent getLeanbackLaunchIntentForPackage(java.lang.String);
     method public int getMoveStatus(int);
     method public java.lang.String getNameForUid(int);
+    method public java.lang.String[] getNamesForUids(int[]);
     method public java.util.List<android.os.storage.VolumeInfo> getPackageCandidateVolumes(android.content.pm.ApplicationInfo);
     method public android.os.storage.VolumeInfo getPackageCurrentVolume(android.content.pm.ApplicationInfo);
     method public int[] getPackageGids(java.lang.String) throws android.content.pm.PackageManager.NameNotFoundException;