am 34bdf0ab: docs: Reverting SDK r21.0.1 and NDK r8d Release Notes due to release conflict Revert of CL change-id: Ieefa651cb8f1d01170a915fe956a97fd6a52e696 Revert of CL change-id: Ifaaa6579df6cb180f515f2a5e71b2ac62a1671c3

* commit '34bdf0abfeaa81b6fe2e8cc95e0ba94893b3e8e8':
  docs: Reverting SDK r21.0.1 and NDK r8d Release Notes due to release conflict Revert of CL change-id: Ieefa651cb8f1d01170a915fe956a97fd6a52e696 Revert of CL change-id: Ifaaa6579df6cb180f515f2a5e71b2ac62a1671c3