Support 3+ streams when using ShareCompat.IntentBuilder
Support 3+ streams when using ShareCompat.IntentBuilder

Ensure that any number of streams can be added with
ShareCompat.IntentBuilder#addStream rather than only
switching between 1 and 2 streams.

BUG: 27919557
Change-Id: I6d4f724cb4b3f828d4988bab39a1629beab1d1b8
(cherry picked from commit 64f279383a7afc05cb0dd92b848d26eb9c216b1e)

AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,aosp-mirror/platform_frameworks_support,AndroidX/androidx,AndroidX/androidx,aosp-mirror/platform_frameworks_support,AndroidX/androidx,androidx/androidx,AndroidX/androidx,aosp-mirror/platform_frameworks_support,androidx/androidx,AndroidX/androidx,aosp-mirror/platform_frameworks_support,androidx/androidx,aosp-mirror/platform_frameworks_support,AndroidX/androidx,androidx/androidx,androidx/androidx