Reorganize the dump thermal script source and sepolicy to its own folder. This is done as a part of moving all thermal product makefiles to gs-common. Bug: 289146743 Test: Compilation and bootup test Change-Id: Ie9162b401c9bed57c3d2e2648edc17457ad8883e Signed-off-by: Ram Chandrasekar <rchandrasekar@google.com>