Fix orderfile demo to use ftemporal-profile (#1168)

Upgrade NDK to r29 (#1169)

Raise the vectorization #if to NDK r31 (#1164)

Fix parallel Gradle build problems in teapots (#1167)

Support camera callback parameter added in r30 (#1163)

Point at DAC instead of duplicating docs.

Remove audio samples in favor of Oboe's repo.

Expand documentation for native-activity sample.

Remove obsolete screenshot.

Remove obsolete, duplicate, and useless docs.

Add (and require) version scripts for everything.

Add overlooked JNI method to RegisterNatives.

Document the reason for using RegisterNatives.

Migrate camera/basic to RegisterNatives.

Migrate unit-test to RegisterNatives.