ANDROID: KVM: arm64: Fix stage-2 ptdump BLK annotation

KVM doesn't set the table bit by default for invalid PTEs. The BLK
annotation must then depend on both table bit and the valid bit.

Bug: 260238318
Bug: 278749606
Change-Id: I1ed10ae2dc0f153e0f5dae99b1886ffdfb6c69eb
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
(cherry picked from commit 01e02e81)