Revert "Enable _LIBCPP_DEBUG in Clang for non-Xcode-based debug builds."

This reverts commit 9eb89bac85e14503485d0b9f651d5f75be05610d.

Reason for revert: Repeated Android trybot failures

Encountering ASAN failures of the form:

=================================================================
==10276==ERROR: AddressSanitizer: attempting free on address which was not malloc()-ed: 0xc3d2c5c0 in thread T5
    #0 0xf0e43b58  (/system/lib/libclang_rt.asan-arm-android.so+0xbeb58)
    #1 0xb2157736  (/data/local/tmp/dm+0x2df4736)
    #2 0xb0de3b3c  (/data/local/tmp/dm+0x1a80b3c)
    #3 0xb0e0d036  (/data/local/tmp/dm+0x1aaa036)
    #4 0xb0e0983e  (/data/local/tmp/dm+0x1aa683e)
    #5 0xb0e093ba  (/data/local/tmp/dm+0x1aa63ba)
    #6 0xb0e0cf6a  (/data/local/tmp/dm+0x1aa9f6a)
    #7 0xb0e09ca8  (/data/local/tmp/dm+0x1aa6ca8)
    #8 0xb0e09420  (/data/local/tmp/dm+0x1aa6420)
    #9 0xb0e0cf6a  (/data/local/tmp/dm+0x1aa9f6a)
    #10 0xb0e0983e  (/data/local/tmp/dm+0x1aa683e)
    #11 0xb0e14416  (/data/local/tmp/dm+0x1ab1416)
    #12 0xb0e259a6  (/data/local/tmp/dm+0x1ac29a6)
    #13 0xb0dcd37e  (/data/local/tmp/dm+0x1a6a37e)
    #14 0xb0dcc004  (/data/local/tmp/dm+0x1a69004)
    #15 0xb02030ec  (/data/local/tmp/dm+0xea00ec)
    #16 0xaff381a8  (/data/local/tmp/dm+0xbd51a8)
    #17 0xaff1eade  (/data/local/tmp/dm+0xbbbade)
    #18 0xaff255f4  (/data/local/tmp/dm+0xbc25f4)
    #19 0xb0bea1e4  (/data/local/tmp/dm+0x18871e4)
    #20 0xb0a46c30  (/data/local/tmp/dm+0x16e3c30)
    #21 0xb0a45c9e  (/data/local/tmp/dm+0x16e2c9e)
    #22 0xb0a467b0  (/data/local/tmp/dm+0x16e37b0)
    #23 0xf0e2cf8c  (/system/lib/libclang_rt.asan-arm-android.so+0xa7f8c)
    #24 0xf0c6f502  (/system/lib/libc.so+0x63502)
    #25 0xf0c29f26  (/system/lib/libc.so+0x1df26)

Address 0xc3d2c5c0 is a wild pointer.
SUMMARY: AddressSanitizer: bad-free (/system/lib/libclang_rt.asan-arm-android.so+0xbeb58) 
Thread T5 created by T0 here:
    #0 0xf0e2cdc8  (/system/lib/libclang_rt.asan-arm-android.so+0xa7dc8)
    #1 0xb0a4651a  (/data/local/tmp/dm+0x16e351a)

==10276==ABORTING

Caught signal 6 [Aborted] (173MB RAM, peak 180MB), was running:
	unit test  Codec_PngRoundTrip
	unit test  AAClip
	unit test  Codec_Dimensions
	unit test  Codec_raw
	unit test  crbug_ossfuzz_21688_interfaceblock
	unit test  crbug_ossfuzz_21688_interfaceblock

Caught signal 6 [Aborted] (173MB RAM, peak 180MB), was running:
	unit test  Codec_PngRoundTrip
	unit test  AAClip
	unit test  Codec_Dimensions
	unit test  Codec_raw
	unit test  crbug_ossfuzz_21688_interfaceblock
Likely culprit:
	unit test  crbug_ossfuzz_21688_interfaceblock
+ >/data/local/tmp/rc 
+ echo 1



Original change's description:
> Enable _LIBCPP_DEBUG in Clang for non-Xcode-based debug builds.
> 
> Unlike _GLIBCXX_DEBUG, this is meant to not break the ABI.
> The libc++ bundled with Xcode does not contain debug symbols so we need
> to disable these checks on Mac/iOS.
> 
> Change-Id: Ie4f18e247db9c405b2ce45f388c41dcac8104815
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/297874
> Commit-Queue: John Stiles <johnstiles@google.com>
> Auto-Submit: John Stiles <johnstiles@google.com>
> Reviewed-by: Mike Klein <mtklein@google.com>

TBR=mtklein@google.com,bsalomon@google.com,johnstiles@google.com

Change-Id: I3f717de26428abf9cb26f983b1e82379924419c2
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/297840
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
1 file changed