[QNN EP] Disable early termination in GetCapability (#18140)
[QNN EP] Disable early termination in GetCapability if there are
multiple partition and context binary enabled
### Description
QNN EP context binary cache feature only support single partition for
now. We have early termination in GetCapability.
After the PR https://github.com/microsoft/onnxruntime/pull/17764.
There's no Level 1 optimization any more for the 1st GetCapability.
Graph transformer EnsureUniqueDQForNodeUnit is not applied. So if
there's initializer -> DQ -> shared by multiple node unit. The node is
not identified as node unit group. QNN EP report many not supported
nodes because of this in the 1st GetCapability call.
The 2nd GetCapability still works normally.
Disable the early termination in GetCapability, delay the decision to
Compile.