[LSC] Add LOCAL_LICENSE_KINDS to dalvik

Added SPDX-license-identifier-Apache-2.0 to:
  Android.bp
  dexgen/Android.bp
  dx/Android.bp
  dx/Android.mk
  dx/junit-tests/Android.bp
  dx/src/Android.bp
  tools/dexdeps/Android.bp
  tools/dexdeps/src/Android.bp
  tools/hprof-conv/Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work

Change-Id: I6a9f330a68db4eb09b11a0a5fb876721a8857aa7
Merged-in: I6a9f330a68db4eb09b11a0a5fb876721a8857aa7