Persists share targets after reading from Apps xml resource

Bug: 136206375
Test: atest com.android.server.pm.ShortcutManagerTest1 \
  com.android.server.pm.ShortcutManagerTest2 \
  com.android.server.pm.ShortcutManagerTest3 \
  com.android.server.pm.ShortcutManagerTest4 \
  com.android.server.pm.ShortcutManagerTest5 \
  com.android.server.pm.ShortcutManagerTest6 \
  com.android.server.pm.ShortcutManagerTest7 \
  com.android.server.pm.ShortcutManagerTest8 \
  com.android.server.pm.ShortcutManagerTest9 \
  com.android.server.pm.ShortcutManagerTest10
atest CtsShortcutHostTestCases
atest CtsShortcutManagerTestCases

Change-Id: I0c8b41453727f821f6e5cbc05d7fefd14dc646fc