Upgrade emulator to emu-master-dev build 6647651

Update emulator to 30.0.21

* [gRPC] Fix series of corner cases
* Turn the TextureDraw shader compile fail into a crash
* Tweak ANGLE build params
* Adjust ANGLE build script to use libc++
* Log failure to compile shaders in TextureDraw
* gles: speed up uniform uploads
* Use thread_local instead of ThreadStore for host side render threads
* gles: use HybridComponentManager for object access
* gles: speed up glBindBuffer
* HybridComponentManager: Dyn. growable vector + map
* Use getRotation to calculate next rotation
* Disable QuickBootFileBacked for Crostini
* Add detailed extended controls UI events
* [Win] Update get started documentation
* Integrate new Foldable model with legacy fold/unfold
* Enable kvm-clock on guest kernels equal to or above 5.4

Bug: 160181200
Test: presubmit
Signed-off-by: Roman Kiryanov <rkir@google.com>
Change-Id: I19d80671c7531b2da562f85afd3334d0dedd8576
Merged-In: I19d80671c7531b2da562f85afd3334d0dedd8576
(cherry picked from commit f707783d613b64091a4416ee2434e36eb6823da8)
14 files changed