libbinder_ndk: ScopedAStatus ostream<<

For developer convenience.

Bug: N/A
Test: binderVendorDoubleLoadTest
Change-Id: I3ca6c67a30682d53dc4767695f19436e5ef992c3
(cherry picked from commit 9afdc0f1449f89f6c50c39f0004c33aa2456df3c)
Merged-In: I3ca6c67a30682d53dc4767695f19436e5ef992c3
2 files changed